OpenTechnical

OT-2026-000076851

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, pulsed 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-2026-000076851) never changes.

Identity and time

Publication numberOT-2026-000076851 · never reused
Internal UUID01a0ae94-b070-7e84-a94b-4e40f6d2b1f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076851
StatusPUBLIC

Content hashes

Canonical text8a086d375bba519d6c80b40d5d2eb4e70ed349c46520e95ab9f7ebfd8f62635e
Markdown0532e3f17303982b9ad40bf52152dad06899b283ceeed3d8f2acedd4ca46096c
PDF
Publication page1ea70082f71189370ee8335c8b85a048735db39acd58cdb51dfce350b5835d9e
Manifest98bad4f78cfe9385c481e9e48079bff85781e6c6f8f1245304d9e13cd4f8ed4d

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
SignaturehXoVp9GsYpiGZhtK8/B1+cJYqpyjvt97oCVXb66dpd5VwUy2d7Q8j9uOnaDLdYhFmtFXymoRPH4+iPIyrtetAA==
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

2026-09-17T10:09:44.391036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076851
observed 1ea70082f71189370ee8335c8b85a048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:44.372807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076851/manifest.json
observed 98bad4f78cfe9385c481e9e48079bff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:44.353721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076851/publication.md
observed 0532e3f17303982b9ad40bf52152dad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:44.335383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076851/publication.txt
observed 8a086d375bba519d6c80b40d5d2eb4e7...
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.