OpenTechnical

OT-2026-000054134

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two 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-2026-000054134) never changes.

Identity and time

Publication numberOT-2026-000054134 · never reused
Internal UUID01a0ae85-b3a8-7b71-90c9-1f0896b21e9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054134
StatusPUBLIC

Content hashes

Canonical text30cd318a40166ce97c10c8af96dca4dc0efc427d02e330a154c72781763fcace
Markdowna039f53834659ba91554f0c4d08f3f2bc55f63ef7d4759c6eedb5a00051ec31e
PDF
Publication page13f1dcfd2d0cddef20b9b0abda4458077d511aed13c0d9546577a3c83763ef0e
Manifestc54fd92b9d8fc741b9e0c67974092a7cd96e098122f05a384ebf79fc66bdec72

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
SignatureRH3fzohVmu7epO9QXs6y+Xl0tFqLPj3KkSAJro6+vBfpG2ngblah33QyHOpamxd+0S1K41WLNrLsaesOS634CA==
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

2026-09-17T10:54:33.750872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054134
observed 13f1dcfd2d0cddef20b9b0abda445807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.729380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054134/manifest.json
observed c54fd92b9d8fc741b9e0c67974092a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.708639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054134/publication.md
observed a039f53834659ba91554f0c4d08f3f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.684991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054134/publication.txt
observed 30cd318a40166ce97c10c8af96dca4dc...
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.