OpenTechnical

OT-2026-000087786

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000087786) never changes.

Identity and time

Publication numberOT-2026-000087786 · never reused
Internal UUID01a0ae9b-1aa4-7fa6-b4b9-52796f2fe253 · 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-2026-000087786
StatusPUBLIC

Content hashes

Canonical text8da401f0cfca113fe2c66629f6760206e57b8fcd4fb00eeca911e899e30f971e
Markdownf19c08ab2e9207bfdce485d48c30a6a44186ec0e9ebeec8a88a41f82e508c80f
PDF
Publication pagedbcef66f449f0ee9bb95532cefcc9f81f35367fab0e7276989a364f38d88751c
Manifestc93397303fcd56418c657edb99ac4965a4efd4ca71903d12eeaed8ca9887bfc8

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
Signature9B++NKxY5p0d0B3pU96zee9CQyocp5aY4L/ipZRJFYUAcVQ9DB9SLpBG+/cU2vZjusXT5wPOxqLMWmVKbgy2Cw==
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

2026-09-17T09:48:59.567877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087786
observed dbcef66f449f0ee9bb95532cefcc9f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.549819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087786/manifest.json
observed c93397303fcd56418c657edb99ac4965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.532809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087786/publication.md
observed f19c08ab2e9207bfdce485d48c30a6a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.515560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087786/publication.txt
observed 8da401f0cfca113fe2c66629f6760206...
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.