OpenTechnical

OT-2026-000071427

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000071427) never changes.

Identity and time

Publication numberOT-2026-000071427 · never reused
Internal UUID01a0ae91-e0ed-7ae3-b9d0-fe0d9fa0d2a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071427
StatusPUBLIC

Content hashes

Canonical text9625f82c65580f12337d204b79af73456c5a9fde9747a796b97b56a822754040
Markdownfe8ab6bff15edcc958cb77a83567a7395c44a78f862850df33b06f8200ac94a1
PDF
Publication pagee49657384bc5cd9df6460e3fabaca711c075ab932b92ce950454f543b23ec244
Manifest158c01b7379014ec57da6633107ff9d592f3bbfc4b88b50b312b03bb8511decd

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
Signature7Ns4HRjs/znDiPUI27XpIstWFj3K4XVSxuW5YH+YD+0K0PojdANVXPwH4CrsL2gHQ4KMFhmr+AI+J4BAVk2gBA==
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

2026-09-17T10:25:03.869176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071427
observed e49657384bc5cd9df6460e3fabaca711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.850989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071427/manifest.json
observed 158c01b7379014ec57da6633107ff9d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.834232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071427/publication.md
observed fe8ab6bff15edcc958cb77a83567a739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:03.817102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071427/publication.txt
observed 9625f82c65580f12337d204b79af7345...
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.