OpenTechnical

OT-2026-000074570

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000074570) never changes.

Identity and time

Publication numberOT-2026-000074570 · never reused
Internal UUID01a0ae93-717b-71a2-b443-7b43fc6bc7db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074570
StatusPUBLIC

Content hashes

Canonical text120939a0714823bb1e49bf1fccc71b7391097581a10d32ee8201f66232c400a3
Markdown059833bc06867a0179deec73fecbe5bf418c0c4ae7353c2da6031fe162b34ba0
PDF
Publication pagea1c5de8f073129071818489012699489195e3408ba1338d260907c9df39e787f
Manifest278bc61bb0eb0404a49df145c58fa118a9d1fd8578d58e43fddf0102c103add9

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
SignatureD+zZfnXKjhn42byRPCuaXjAcI2RCY6ebLnbdE021NZSyLb/dbw+hTn8PvXUg06yEA1kOaoPDlLSURKqcHgNwAA==
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

2026-09-17T10:19:35.225196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074570
observed a1c5de8f073129071818489012699489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.208048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074570/manifest.json
observed 278bc61bb0eb0404a49df145c58fa118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.190157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074570/publication.md
observed 059833bc06867a0179deec73fecbe5bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.172965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074570/publication.txt
observed 120939a0714823bb1e49bf1fccc71b73...
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.