OpenTechnical

OT-2026-000081854

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000081854) never changes.

Identity and time

Publication numberOT-2026-000081854 · never reused
Internal UUID01a0ae97-0f75-706b-817c-89b94ffcfb56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081854
StatusPUBLIC

Content hashes

Canonical textf234b410a816f5af7ba41d52de082dbff490977dcbafcaf0d615eaa7b421c171
Markdownebdc7cd65c76258826b8a538471c714edf8f317137cb19ea3527debf2f398d7b
PDF
Publication page7b346acbb97e1a47064ce171f19d84413b7ff97a18b562d417c6fb99c5e81adc
Manifest302816bb44cfe0e2ebd8919b69af46115429c50da8595fb12dc9540f77114671

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
Signature46/gJcg1UDimunxbiO987Nfq+ia8+g13Lq2arZZMzps4IGGlUcHWx1TMUSPf8i+H4GiGWrCR0rUa19tuQsigAQ==
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

2026-09-17T10:00:58.119054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081854
observed 7b346acbb97e1a47064ce171f19d8441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.102000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081854/manifest.json
observed 302816bb44cfe0e2ebd8919b69af4611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.085044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081854/publication.md
observed ebdc7cd65c76258826b8a538471c714e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.068841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081854/publication.txt
observed f234b410a816f5af7ba41d52de082dbf...
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.