OpenTechnical

OT-2026-000080048

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000080048) never changes.

Identity and time

Publication numberOT-2026-000080048 · never reused
Internal UUID01a0ae96-4377-7f72-a955-790401768070 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080048
StatusPUBLIC

Content hashes

Canonical text35d5b11f5683b58cf599eaf96646eff32828008903a21a423f9d9e593620dcd6
Markdowna8d12d3a4762bf8111ac3a8d81f393bce7795744343153d5f4ee55aa5e68844c
PDF
Publication page3fb0a7b8b94283789f4977bb6267337685bdc0a1f323f9564d0d8c5bb63723ab
Manifestbf2c3dd1cff65e40cfc0250e40e7a5cca4719163d180994f8eb1f8a211949071

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
Signaturep0VB0/QXzd9agEU1SgVmtWqjdiVTSbQ6YViSVEI3LAk+Co2uX+XTgDsxB8cYfLZe0KzDipYB45EaJy2w8opsAQ==
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

2026-09-17T10:03:58.600302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080048
observed 3fb0a7b8b94283789f4977bb62673376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.582229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080048/manifest.json
observed bf2c3dd1cff65e40cfc0250e40e7a5cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.563570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080048/publication.md
observed a8d12d3a4762bf8111ac3a8d81f393bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.547097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080048/publication.txt
observed 35d5b11f5683b58cf599eaf96646eff3...
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.