OpenTechnical

OT-2026-000057347

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057347) never changes.

Identity and time

Publication numberOT-2026-000057347 · never reused
Internal UUID01a0ae87-d5bd-7918-8751-dbc8e384e6b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057347
StatusPUBLIC

Content hashes

Canonical text6d6a1f37701ec1f5d5bb9648fad40b6645f53c7576d3b54896b567c5268966a5
Markdown34870044ad30404de27fbff71401258753ded882cd16a0e8864f1b7b6c4fe48c
PDF
Publication page67aa209e6bef6faf67cb2f1204866f83d1fe0d93a2e07402372c1ca9e92e59fe
Manifestd8b1620504e0f0eb82ca00bb3896afd65e2cbcc14dc8c0837fa2edf29ced3d7a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureJAHb6Ts1hYFJDzzM47/AKDtNUW5xKMAhavwLEURY2765ZsHlqgGkoIgcmoKgS9GeIDUuvlMR4NdMfv/yAwOoBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:28.413721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057347
observed 67aa209e6bef6faf67cb2f1204866f83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.393574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057347/manifest.json
observed d8b1620504e0f0eb82ca00bb3896afd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.375290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057347/publication.md
observed 34870044ad30404de27fbff714012587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.358467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057347/publication.txt
observed 6d6a1f37701ec1f5d5bb9648fad40b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.601761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057347
observed 67aa209e6bef6faf67cb2f1204866f83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.582820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057347/manifest.json
observed d8b1620504e0f0eb82ca00bb3896afd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.564388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057347/publication.md
observed 34870044ad30404de27fbff714012587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.547993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057347/publication.txt
observed 6d6a1f37701ec1f5d5bb9648fad40b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.