OpenTechnical

OT-2026-000067502

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000067502) never changes.

Identity and time

Publication numberOT-2026-000067502 · never reused
Internal UUID01a0ae8f-6bd9-74b5-b39a-efa4542ca099 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067502
StatusPUBLIC

Content hashes

Canonical text3ba05d96939b2e3eddc454106f723e62ebd68d473c1eee52d550b628c58c6c71
Markdown2de03740722c23ecb5f18f5facd1cee2cd620b9806afad299448874cced30d6f
PDF
Publication page8f1776cf8a50069d04cd90de35730113c8746475e21f68478c58b78801ae7b1d
Manifest220153fc5757b60bf39f5f3a008067bf7f16068ab37532ac4fc17756fcdd0d91

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
SignatureJP0YdyOqaziHP0yZ3avagf1Epte2xJu9pFbCOScEOCxn/PtGS+3mIBTLmY4Zg7w+QIMM594GHdJv9oYVkHb5Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:47.868798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067502
observed 8f1776cf8a50069d04cd90de35730113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.851756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067502/manifest.json
observed 220153fc5757b60bf39f5f3a008067bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.835602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067502/publication.md
observed 2de03740722c23ecb5f18f5facd1cee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.818256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067502/publication.txt
observed 3ba05d96939b2e3eddc454106f723e62...
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.