OpenTechnical

OT-2026-000074194

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000074194) never changes.

Identity and time

Publication numberOT-2026-000074194 · never reused
Internal UUID01a0ae93-7178-7ec6-9b3a-ced8864a349f · 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-2026-000074194
StatusPUBLIC

Content hashes

Canonical text7c73fc767be3f575f1cf3222f75b42334b807b63c212bfdde95637269b1ac754
Markdownd6e5ba582b5624101e59feb927760c57ed9f16335eb7acb92888a9debd100dee
PDF
Publication page718d5647f0648cf8652c88f0312ba769bceb317867b965c89ac92a325b56ebe1
Manifestf3d34a168e940a69a64d8e32f032e3c08f7610cb95d05b38d406ad391f800981

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/DuQoqtCXyH62gG2TuOOBUgcVVY+Tix2suvQBc77ZqFrQAc4+6uAiTw+OjXdLj/1lfeit9rEn9Uwn0ByKKoDA==
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

2026-09-17T10:19:02.942074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074194
observed 718d5647f0648cf8652c88f0312ba769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.924347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074194/manifest.json
observed f3d34a168e940a69a64d8e32f032e3c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.908033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074194/publication.md
observed d6e5ba582b5624101e59feb927760c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.890344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074194/publication.txt
observed 7c73fc767be3f575f1cf3222f75b4233...
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.