OpenTechnical

OT-2026-000088226

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump 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-2026-000088226) never changes.

Identity and time

Publication numberOT-2026-000088226 · never reused
Internal UUID01a0ae9b-1aa9-7582-b47b-d46ff5a4a733 · 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-2026-000088226
StatusPUBLIC

Content hashes

Canonical text0f17ad7d13344f0b0705cdf6efa4b0a6dfb0f318a940150c8ca7584a1caf4258
Markdown95469a4175a680af03a7762b3c9ae0daa995ab65b6892d901449bb04f3f171af
PDF
Publication page8d2c939ee309e4ea2ea60825627f72d1c393d0c3e290c344844a941d62f4dfd6
Manifest36522776d26e3f218187c4cc830139501b611411559521fb11b7d0a03aa84385

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
SignatureWliFMiwHebag71rsKBiEPYTPPM1gRZIpvhWPZzdqdAlXZtdEv7lrlaY4gTMMwhKAHEIw1Uo0kJRMxksR5oBbBQ==
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

2026-09-17T09:50:19.551780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088226
observed 8d2c939ee309e4ea2ea60825627f72d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.530964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088226/manifest.json
observed 36522776d26e3f218187c4cc83013950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.511020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088226/publication.md
observed 95469a4175a680af03a7762b3c9ae0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.487944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088226/publication.txt
observed 0f17ad7d13344f0b0705cdf6efa4b0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.689166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088226
observed 8d2c939ee309e4ea2ea60825627f72d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.669390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088226/manifest.json
observed 36522776d26e3f218187c4cc83013950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.647050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088226/publication.md
observed 95469a4175a680af03a7762b3c9ae0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:17.625673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088226/publication.txt
observed 0f17ad7d13344f0b0705cdf6efa4b0a6...
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.