OpenTechnical

OT-2026-000072806

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two 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-2026-000072806) never changes.

Identity and time

Publication numberOT-2026-000072806 · never reused
Internal UUID01a0ae92-89da-7020-997f-70bbeff12b95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072806
StatusPUBLIC

Content hashes

Canonical textf0ecd584f78ac0b2b1e8f3a31af7b165ad6decd2fa43488561ce5c92a593f006
Markdown067273a1eb3886960a4a210afb10e3b3970dfc8240588844b19e33b9344e6a8d
PDF
Publication pagebd8f6c6b4b7e280816ff45c328f363174353e207eab9bfff2040aae2e90997e6
Manifestf1cf8251f90ba7d8d98268859cdd717fc93cff8a185a3faf02af2c96f01ffc26

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
Signature2v/nor0lYMTO2Q1niu9/KciX7qrxfygPRqcycuiE+1/JVnL1yIYmQgcswUlCAYDGsbcucFuPmQu5FMLpNl1bCg==
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

2026-09-17T10:22:43.201732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072806
observed bd8f6c6b4b7e280816ff45c328f36317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.184874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072806/manifest.json
observed f1cf8251f90ba7d8d98268859cdd717f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.168525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072806/publication.md
observed 067273a1eb3886960a4a210afb10e3b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.149987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072806/publication.txt
observed f0ecd584f78ac0b2b1e8f3a31af7b165...
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.