OpenTechnical

OT-2026-000083836

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000083836) never changes.

Identity and time

Publication numberOT-2026-000083836 · never reused
Internal UUID01a0ae98-0418-74f5-8af1-3d4158b8abd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083836
StatusPUBLIC

Content hashes

Canonical texted83d937c40c1dd46e1603ed3c0aebfafc251c2ba3bb32c2dc0eb5dce38e709d
Markdown79f400adb236498d4882d203f72183a6a560314369f61de8ffec70c433b16b3b
PDF
Publication page0c884e36b6b57da149827fd15af6518ada00d4ae207477326ae2bbd00b83f5ff
Manifestcd7f66368f7a2f7d3b99d91643ed9150e5ba917eed61e93ab735fc1fe6d1a796

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
SignatureXKK0cf1XNhix9AEgs9Ew7RN7qrc0mnUIqlkBar+yQ2Xsrqm15R9LO+Awvl8zAgsyfgQiDQG6c21bphDhsTU3Dw==
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

2026-09-17T10:00:06.720924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083836
observed 0c884e36b6b57da149827fd15af6518a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.702208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083836/manifest.json
observed cd7f66368f7a2f7d3b99d91643ed9150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.683503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083836/publication.md
observed 79f400adb236498d4882d203f72183a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:06.662987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083836/publication.txt
observed ed83d937c40c1dd46e1603ed3c0aebfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.598283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083836
observed 0c884e36b6b57da149827fd15af6518a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.581674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083836/manifest.json
observed cd7f66368f7a2f7d3b99d91643ed9150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.566493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083836/publication.md
observed 79f400adb236498d4882d203f72183a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:29.551883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083836/publication.txt
observed ed83d937c40c1dd46e1603ed3c0aebfa...
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.