OpenTechnical

OT-2026-000054922

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-2026-000054922) never changes.

Identity and time

Publication numberOT-2026-000054922 · never reused
Internal UUID01a0ae86-5e7f-7f4a-acf5-306b7c9273b5 · 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-2026-000054922
StatusPUBLIC

Content hashes

Canonical text5984bd8c62e57fa6f2a68a219316288ae0a7b7c8eff52d62c677387caef158b6
Markdown5a8d274ba32edfbc03b18d6295f3544cf7246d27b33390f45bacd7070bd2f663
PDF
Publication page317a2f7b1036643007b9b139d9d3a374e486a597a9675286d78db4c0681abd89
Manifest63a64e36d231db7d1e2860860d60ed27f0a1f5aabf325419aed6c20aa1f88a89

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
SignaturepuAAUP0pummUD94bdUefrpyhhsPz4gG0/pNV56yLUTIgQTYYbt8TqQzLYfCwV1rwom7R5mZpq7fuoQG/R52PCg==
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

2026-09-17T10:53:01.416163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054922
observed 317a2f7b1036643007b9b139d9d3a374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.399370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054922/manifest.json
observed 63a64e36d231db7d1e2860860d60ed27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.379723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054922/publication.md
observed 5a8d274ba32edfbc03b18d6295f3544c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.363839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054922/publication.txt
observed 5984bd8c62e57fa6f2a68a219316288a...
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.