OpenTechnical

OT-2026-000095437

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000095437) never changes.

Identity and time

Publication numberOT-2026-000095437 · never reused
Internal UUID01a0ae9f-8f73-7690-a2f4-0f20b2399950 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095437
StatusPUBLIC

Content hashes

Canonical text826ffb48a86105e44ed70906cb1b74f59b9f844ad4eda7585d3c1c3ac7db3c02
Markdown68b927afd56556f1c94d1a6c2d9fa4cb55a187b654244b422ba5017499ecb471
PDF
Publication pagecb1531288c35effe07b97dedca9629ebe95b4b7f4a888675f66529ffbe3e9f85
Manifest8d515bba2de3d7c75483fd3364f61d33a11af2be9d871e9cdb9baaf917b90198

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
SignaturecEShC1aHyXbks0y1qdVU+d44yjUxnagDZLF7nQW+coWbpD7Ax7NeZF/97bDZSIa3yBoGe1que6CUZ4ObMxdXAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:48.612960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095437
observed cb1531288c35effe07b97dedca9629eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.596355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095437/manifest.json
observed 8d515bba2de3d7c75483fd3364f61d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.577740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095437/publication.md
observed 68b927afd56556f1c94d1a6c2d9fa4cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.560264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095437/publication.txt
observed 826ffb48a86105e44ed70906cb1b74f5...
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.