OpenTechnical

OT-2026-000080769

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000080769) never changes.

Identity and time

Publication numberOT-2026-000080769 · never reused
Internal UUID01a0ae96-b974-783e-a8be-3cbeea6339ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080769
StatusPUBLIC

Content hashes

Canonical text1137ddd8e177f93ce6e87dbeb8f8ce6a6cfc5870c3bfe896dcbeb9bc6613d39d
Markdown5d7aa174207ec173ce54701619c0e97177f3d95d07769a6760d33409df279a73
PDF
Publication page60d7a23dc6061a6d053fb7d8bb0e4f4a9ddc4855c635421279dd6b61e9c19248
Manifestf122690481209137ff074456adc10fef7183be139b35eef27c128c43c5f849e0

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
Signatureyl9iNpRA22eyw6BDAr1khcHgzak3aw4egXGDD/gqhTIHu/6HKT4ZAGbEL/vb0XdAgnA7OLHOWRlCf2QEFRaKDg==
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

2026-09-17T10:01:56.153647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080769
observed 60d7a23dc6061a6d053fb7d8bb0e4f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.136255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080769/manifest.json
observed f122690481209137ff074456adc10fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.119544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080769/publication.md
observed 5d7aa174207ec173ce54701619c0e971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.102623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080769/publication.txt
observed 1137ddd8e177f93ce6e87dbeb8f8ce6a...
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.