OpenTechnical

OT-2026-000085179

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, sustained 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-2026-000085179) never changes.

Identity and time

Publication numberOT-2026-000085179 · never reused
Internal UUID01a0ae99-43ba-707a-b02d-903abd4c8e01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085179
StatusPUBLIC

Content hashes

Canonical textedfdbb00accf0391a29a49dc09f9e457d026d3d1ffb027047b7ed093da038b2c
Markdownc6d092ad74802bfb792919eb341baaf8dcba10c499314334067bf95dba28fcd3
PDF
Publication page5434f02ba9096d854cc97c00c14e23e3b63d5c7b8f801dce0430dbe6f780c87c
Manifest8c3ef18f38642941c961d3e9d53a410f3a009efc3c13c6e9f5a4d53dd5c65dd6

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
SignaturewBFxDvnMOTvS+8iCRs/bX/7uXKjtYdQAmAgFkPbTZlKqfeW9ZQ2dKH3I3/k7eyQFZ2BSTCb/AsQiyt1jGJkGCQ==
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

2026-09-21T00:41:41.382959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085179
observed 5434f02ba9096d854cc97c00c14e23e3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T00:41:41.243946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085179/manifest.json
observed 8c3ef18f38642941c961d3e9d53a410f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T00:41:40.803576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085179/publication.md
observed c6d092ad74802bfb792919eb341baaf8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T00:41:40.477893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085179/publication.txt
observed edfdbb00accf0391a29a49dc09f9e457...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.825827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085179
observed 5434f02ba9096d854cc97c00c14e23e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.808796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085179/manifest.json
observed 8c3ef18f38642941c961d3e9d53a410f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.791099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085179/publication.md
observed c6d092ad74802bfb792919eb341baaf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.772301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085179/publication.txt
observed edfdbb00accf0391a29a49dc09f9e457...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent