OpenTechnical

OT-2026-000057245

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000057245) never changes.

Identity and time

Publication numberOT-2026-000057245 · never reused
Internal UUID01a0ae87-d5bb-7bb0-8500-681918140505 · 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-2026-000057245
StatusPUBLIC

Content hashes

Canonical text64000e3b43887312b23c82aeeed6e7fb81e4b8d0b97c13b7b2838da69f82d9a1
Markdownd77a0e5ae14808786b3c28904a67359ff8e143e825becacd52a2b5ce762fa0c1
PDF
Publication page7c7496213fac329d871762522810efcd4dc4470520fe9e7f0658627f63671a53
Manifest67e9face902e19872d84f05c9b59e08fb13e966a9b87b66e58025c5b7ee7f4f6

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
SignatureSIscaK6SGlnmhjidF+b3Udo6VGnXudPqaUqueRK9XnfuvmhF/CljJgId+nCmNXOGNeAuKpBE3NHtx8LB8i3RDQ==
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

2026-09-17T10:50:18.683618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057245
observed 7c7496213fac329d871762522810efcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.664620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057245/manifest.json
observed 67e9face902e19872d84f05c9b59e08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.644062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057245/publication.md
observed d77a0e5ae14808786b3c28904a67359f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.626421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057245/publication.txt
observed 64000e3b43887312b23c82aeeed6e7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.289668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057245
observed 7c7496213fac329d871762522810efcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.271849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057245/manifest.json
observed 67e9face902e19872d84f05c9b59e08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.253945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057245/publication.md
observed d77a0e5ae14808786b3c28904a67359f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.235041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057245/publication.txt
observed 64000e3b43887312b23c82aeeed6e7fb...
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.