OpenTechnical

OT-2026-000034815

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000034815) never changes.

Identity and time

Publication numberOT-2026-000034815 · never reused
Internal UUID01a0ae76-1ed3-70e0-9ea6-91af7a1d23c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034815
StatusPUBLIC

Content hashes

Canonical text91937bd84b0633c68dee275f198a7bd5dbcc5fe3e0f66bf96ebda5293448df8b
Markdownd6af16c2849b6b04ddb640a0ec12cb1c32fa513af740092f54bd6c6c412ae23d
PDF
Publication page1d764ab57c59b6c418b32f0ecb2ee912ee9952542dda37e9b94db36d81650e87
Manifest55cfca18098d57176537595eb8f3db191c30ece9f8bcc0a1cd159bddc7aab304

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
SignatureX+gi8ZYH8/MItilcvFh0kFboCWr8MhzryAd7mJZJ85NuTQi4kC02J2tN+XGVJN+4PYGvZfB/MXx61ywqUMi9BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:30:19.733813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034815
observed 1d764ab57c59b6c418b32f0ecb2ee912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.716311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034815/manifest.json
observed 55cfca18098d57176537595eb8f3db19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.695071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034815/publication.md
observed d6af16c2849b6b04ddb640a0ec12cb1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.677864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034815/publication.txt
observed 91937bd84b0633c68dee275f198a7bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.953667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034815
observed 1d764ab57c59b6c418b32f0ecb2ee912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.935672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034815/manifest.json
observed 55cfca18098d57176537595eb8f3db19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.918856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034815/publication.md
observed d6af16c2849b6b04ddb640a0ec12cb1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.899887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034815/publication.txt
observed 91937bd84b0633c68dee275f198a7bd5...
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.