OpenTechnical

OT-2026-000054934

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000054934) never changes.

Identity and time

Publication numberOT-2026-000054934 · never reused
Internal UUID01a0ae86-5e7f-77ae-a5e4-cb283142af9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054934
StatusPUBLIC

Content hashes

Canonical text43b9e28160f1a3122f50371d71692578685dd9ba350a123da7d7d7033fa9487e
Markdown047dad3eaa15c9cd93c172084e291e0736e1f0dd067cb1320dde61df720a04ef
PDF
Publication pagec3a512b80083029ad0e185033286155dea214113adbaf1a9499fd2b6f6c6dfae
Manifest6fd5c7e5f2a0db12bd4d5c5682580e19e2871d3855760fa9c15b4726e863d6c3

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
SignatureCX8BIEM4x8l2Vf3GGoEO8eq/G1qgFtzC+vVuLaAxnjIRbWJmKLbf5MuNXreFKYOHZXZYhITmh9WlfDpTJK4EDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:02.316706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054934
observed c3a512b80083029ad0e185033286155d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:02.298947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054934/manifest.json
observed 6fd5c7e5f2a0db12bd4d5c5682580e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:02.281737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054934/publication.md
observed 047dad3eaa15c9cd93c172084e291e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:02.265331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054934/publication.txt
observed 43b9e28160f1a3122f50371d71692578...
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.