OpenTechnical

OT-2026-000055131

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000055131) never changes.

Identity and time

Publication numberOT-2026-000055131 · never reused
Internal UUID01a0ae86-5e82-7027-88bb-c478d09f0c57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055131
StatusPUBLIC

Content hashes

Canonical texte3cbe1a77064c60e06129be0dd766b07b5c6cdce3b3083acdbf43f14f223abc9
Markdowna5b3824d989605b36fb60c526581ce5a83697dfbd664c2c2689e03584a942f5f
PDF
Publication page611754b54345d08216067002d98b617c97cc4a46cce2870279d0c9401148287b
Manifestfb8b6f6bac21f28473ca9360b5e89caaa7320bbd2f31e4cf6ae7f53731e9530b

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
SignatureTPgHB1KEfL+/o87Nt1dDU7e8g74rU/lOZRHj2quILKiF1VrePRwoKa3uhOa5KsYmYAcZRFCNdEPPHZhCJI/nAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:18.267774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055131
observed 611754b54345d08216067002d98b617c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:18.248889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055131/manifest.json
observed fb8b6f6bac21f28473ca9360b5e89caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:18.228115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055131/publication.md
observed a5b3824d989605b36fb60c526581ce5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:18.210281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055131/publication.txt
observed e3cbe1a77064c60e06129be0dd766b07...
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.