OpenTechnical

OT-2026-000077166

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000077166) never changes.

Identity and time

Publication numberOT-2026-000077166 · never reused
Internal UUID01a0ae94-f507-7442-b06d-b78ebe087623 · 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-2026-000077166
StatusPUBLIC

Content hashes

Canonical text2b02a37c0640c1016590c734763f8027cc3e72744557ef539d179420b128169f
Markdown34149028c249c372909b5032399271f6b74c34816e7a632c42ac0e9467fdb18a
PDF
Publication page0d10e5875ab430b9ac49dc7273d68635f88c1e38016cfff9156a8db0ae836982
Manifest705de1d415d0075012231503f7910354e0e73c211456171d3f653a1d1c60c5d9

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
Signature2XZr7/QxP0vL/yjRrAQtwlJ/WqsqGkL2OhAfe4cGW3yPfLp6O8TiMusIi/lXIIvM1ghinOrKdEvejlvXjzbnAw==
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

2026-09-17T10:10:55.552913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077166
observed 0d10e5875ab430b9ac49dc7273d68635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:55.533380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077166/manifest.json
observed 705de1d415d0075012231503f7910354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:55.513903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077166/publication.md
observed 34149028c249c372909b5032399271f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:55.485710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077166/publication.txt
observed 2b02a37c0640c1016590c734763f8027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:24.389819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077166
observed 0d10e5875ab430b9ac49dc7273d68635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:24.371458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077166/manifest.json
observed 705de1d415d0075012231503f7910354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:24.351619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077166/publication.md
observed 34149028c249c372909b5032399271f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:24.333139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077166/publication.txt
observed 2b02a37c0640c1016590c734763f8027...
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.