OpenTechnical

OT-2026-000027974

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000027974) never changes.

Identity and time

Publication numberOT-2026-000027974 · never reused
Internal UUID01a0ae72-a51f-79ef-9042-476642ba79ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027974
StatusPUBLIC

Content hashes

Canonical text4385b2288970c1fb652ed3a5d8bf8e76c6cd9c8e0f4d8955da513217d8b8f611
Markdown6754b2a022d993bf469deb65532cb51089760d6a71b4a57228d5136057568da3
PDF
Publication pagebca5df67cad8e861e0e70fca205372bfef2973cdc797b7d476cefa5e8204a509
Manifest57406f9ed43296306ea03356ab130bbde61804bb66352fc80c53dc051245d15b

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
Signaturewg/19HHbiPYYXJHL8rIHTiO2alIJm75Ch4tcCDhFalw9VtHUoxJJLtlr+GttNY252onsTTRG4Cu9atjNta96CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:10.324811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027974
observed bca5df67cad8e861e0e70fca205372bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:10.309503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027974/manifest.json
observed 57406f9ed43296306ea03356ab130bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:10.292403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027974/publication.md
observed 6754b2a022d993bf469deb65532cb510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:10.276890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027974/publication.txt
observed 4385b2288970c1fb652ed3a5d8bf8e76...
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.