OpenTechnical

OT-2026-000087577

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087577) never changes.

Identity and time

Publication numberOT-2026-000087577 · never reused
Internal UUID01a0ae9a-cd52-7c66-b8e5-22a9c00d88bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087577
StatusPUBLIC

Content hashes

Canonical texte8ee9b02ba716db1fde2b9a6c7dece34803b310659cc3a7a0889ca69eeace87a
Markdown7e3d07d65d201a439cbca0d00c1d1102626346cfd56459d9c31d8d917c564cfd
PDF
Publication pagee11ea176b4e7597791be499a10e7be0c086764aea5cc56efd95f69f7c3825953
Manifest7002aab297f80be9e8961b0c375d1eae4a06fed934cfe6631f73ef2537abcfd3

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
SignatureBntAfRHgZSrWy9Hs+pFbbYTcJ3UIL2a8Ckh7MXCvjGRwRUZUdtUeOGxD6/RsMImfb02jdcLW/8As+PF9IughBA==
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

2026-09-17T09:50:55.444445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087577
observed e11ea176b4e7597791be499a10e7be0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.428230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087577/manifest.json
observed 7002aab297f80be9e8961b0c375d1eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.410061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087577/publication.md
observed 7e3d07d65d201a439cbca0d00c1d1102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.394027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087577/publication.txt
observed e8ee9b02ba716db1fde2b9a6c7dece34...
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.