OpenTechnical

OT-2026-000088030

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000088030) never changes.

Identity and time

Publication numberOT-2026-000088030 · never reused
Internal UUID01a0ae9b-1aa6-7577-8dc5-77c66af3d934 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088030
StatusPUBLIC

Content hashes

Canonical text89997bfd577e745a35fbd23299059fdd029e7f0d87ed0cb00510f45a78897b07
Markdown836be65dfd8502bdbaf96fd1d1753bdb026b90dfcf8d80f730c8a0f882b57836
PDF
Publication page2a68e02318bcf53f4c8b69e3410ac4617616cc0e00911ede63018682f7ac6150
Manifest16a67a8acc6584673a0529e650235a2f03a977a7a37bf4953a5feeae97358fac

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
SignaturerIskh/XwarGEUNyMRaUefizKLAf5R27B/ABRqJj7k5e9UPQz0P9EXBfBS1C1+8LHevNi8tPTrf5iff6GH+4IAA==
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

2026-09-17T09:49:25.024116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088030
observed 2a68e02318bcf53f4c8b69e3410ac461...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.007487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088030/manifest.json
observed 16a67a8acc6584673a0529e650235a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.990388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088030/publication.md
observed 836be65dfd8502bdbaf96fd1d1753bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.973942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088030/publication.txt
observed 89997bfd577e745a35fbd23299059fdd...
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.