OpenTechnical

OT-2026-000077677

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000077677) never changes.

Identity and time

Publication numberOT-2026-000077677 · never reused
Internal UUID01a0ae95-2ecf-7478-8b2f-f48e26a6a384 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077677
StatusPUBLIC

Content hashes

Canonical textc3be9015a80d5694433316a5ceb868825997792f9e2791f6e77bf716a63ddae5
Markdown3492f095698c1c1255f968ed7b1f4d68851b4561117b61eced438c2767d1d637
PDF
Publication pagee5ffc0f0d79d2909604e016364210c99d95b8845cbe48f7c40af4e99a1ac828c
Manifestb0d7fabf469247f521cff2523f7d1efed9bb3712327b2d1f418fd0e56394f2e9

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
Signaturertern6xj6dTskp378G19zjoWKKr3EdGGnkLw27ZHoe58nEfggr6ETUPglJsi4g2j6+TuV5YfcBT/t0zrXBceAQ==
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

2026-09-17T10:07:14.906400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077677
observed e5ffc0f0d79d2909604e016364210c99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.889775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077677/manifest.json
observed b0d7fabf469247f521cff2523f7d1efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.871245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077677/publication.md
observed 3492f095698c1c1255f968ed7b1f4d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:14.851876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077677/publication.txt
observed c3be9015a80d5694433316a5ceb86882...
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.