OpenTechnical

OT-2026-000077408

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, vented after 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-2026-000077408) never changes.

Identity and time

Publication numberOT-2026-000077408 · never reused
Internal UUID01a0ae94-f509-7acb-9709-02808f558850 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077408
StatusPUBLIC

Content hashes

Canonical text909589c7260ae49ea2f8709fca6c42b9d9cf3b2de48eaead6ae409b82e7b3b39
Markdown15ca6a186e56808e1c2c1364d31c1358bd3af7442bc48ce2e74aefeecbb99e1f
PDF
Publication page52a168485e36e39ecb8aa9abb3870f39ccc02a1e3ec5f24aca3683f8e13deff8
Manifest7215b9faf3684fb4634bd6535c04a4505226e6bc080c9196c479e2060297d8a1

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
Signaturecv3Q/JJBT0D9s/z6N0hNfgUmEr3UhPggtnUJUK6Kzh3Rt80I5pzeIwdWiM5ACkCeN/kIjYstbZ5LkL/JBy4TBQ==
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

2026-09-17T10:09:03.442324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077408
observed 52a168485e36e39ecb8aa9abb3870f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.424375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077408/manifest.json
observed 7215b9faf3684fb4634bd6535c04a450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.405534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077408/publication.md
observed 15ca6a186e56808e1c2c1364d31c1358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.388003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077408/publication.txt
observed 909589c7260ae49ea2f8709fca6c42b9...
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.