OpenTechnical

OT-2026-000076924

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000076924) never changes.

Identity and time

Publication numberOT-2026-000076924 · never reused
Internal UUID01a0ae94-b071-7c53-ad95-06fe015bf947 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076924
StatusPUBLIC

Content hashes

Canonical textb7738a469fbde21ed3f8713d7618bff884e95a7950bf619c83c6df8f90fd44fe
Markdown4c86f045f984150f6b9a0cd2ad7d5448f87861d8a1687329e841332c2ab65d60
PDF
Publication page3f844f7f46e84923ac3a004ce3e59e84f316e6a57a696cfe95f6f452f3a01d31
Manifest3ac8f0d9e7e594631c364f146d28856d0cccff60002a94772fe5adf57a50557b

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
SignaturegphcAT27C8REQHlBXCdKGMggQShnPw6/RAX/ZxKyLpXk5DEKR6nuEtR3CLtQzCZECLGqVrp4+HoWc9n0eGoHAw==
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

2026-09-17T10:09:52.007115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076924
observed 3f844f7f46e84923ac3a004ce3e59e84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:51.989781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076924/manifest.json
observed 3ac8f0d9e7e594631c364f146d28856d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:51.969998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076924/publication.md
observed 4c86f045f984150f6b9a0cd2ad7d5448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:51.804654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076924/publication.txt
observed b7738a469fbde21ed3f8713d7618bff8...
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.