OpenTechnical

OT-2026-000087919

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three 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-2026-000087919) never changes.

Identity and time

Publication numberOT-2026-000087919 · never reused
Internal UUID01a0ae9b-1aa5-7970-be86-40c0b861e32f · 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-2026-000087919
StatusPUBLIC

Content hashes

Canonical text517a7dd82137728bd1904f9b40cee724bd5da299290ddea289eafb1e809b6227
Markdown67491f5b5a38ee1605c383b5703c056ee53a335fc27f65a8917e07b09d6f4529
PDF
Publication pagea4ab523fdea9f8044134bdaf006954c37ef26d5f6ec0efcf7f70b36c80c7f76d
Manifestd9f17815e92c12800b26fb6b750766c9f00391f75c377581b428b0d5f5a93a47

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
SignatureEQPbpeKy+sn03SbMfY0dFhtyHlkZkZ+B62JJW8NZqaBpgI6ZJ5Qz1dg07QJFjqnuU9mZ7wftxNKP4TBYWSDUAQ==
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

2026-09-17T09:49:12.365535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087919
observed a4ab523fdea9f8044134bdaf006954c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:12.346765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087919/manifest.json
observed d9f17815e92c12800b26fb6b750766c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:12.329921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087919/publication.md
observed 67491f5b5a38ee1605c383b5703c056e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:12.312231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087919/publication.txt
observed 517a7dd82137728bd1904f9b40cee724...
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.