OpenTechnical

OT-2026-000080142

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000080142) never changes.

Identity and time

Publication numberOT-2026-000080142 · never reused
Internal UUID01a0ae96-4378-75d1-a7a0-af678ef63aa4 · 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-2026-000080142
StatusPUBLIC

Content hashes

Canonical text3af1f4b46827834a5daad29af23bc84a5dc763fde720a8f7582f142bbea92626
Markdown5f247504f510dc9b6aaf162dfada2ad00a472ff6812e65c2adb914cec2d3078e
PDF
Publication page089e545a2c22831c9620451fab421c0d4245d4b1bc54a444086e0ed8e4efd994
Manifest258f649701d6387ef8d2fafc6e457292ad8062d9d0ba8043f2c81f5956f9d7cc

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
SignatureMvKvhNGbOlo8A14FpjMc3pEJmnB0Jdz3BWOR+bNqf4sufdzB6U0N5z/AaeyKTyUKXPOLM694l+dkfcLomsOtAA==
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

2026-09-17T10:04:05.433004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080142
observed 089e545a2c22831c9620451fab421c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.414525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080142/manifest.json
observed 258f649701d6387ef8d2fafc6e457292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.396487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080142/publication.md
observed 5f247504f510dc9b6aaf162dfada2ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.377644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080142/publication.txt
observed 3af1f4b46827834a5daad29af23bc84a...
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.