OpenTechnical

OT-2026-000054485

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000054485) never changes.

Identity and time

Publication numberOT-2026-000054485 · never reused
Internal UUID01a0ae86-1283-7d0f-965b-2a02e80c3dcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054485
StatusPUBLIC

Content hashes

Canonical textb4c0ff6a3184f1a3a5bb69d5760259bb6d0c1c37c6b33928ce828b63fc1202ef
Markdownae91e29de783811f3c7a8e34796e944c677c971fd4e736a914286a56388599b4
PDF
Publication paged4327fbe244fe4350bb69672b55fe7750c63a0a33c14bbb5509bdfccd5396a55
Manifest9129e8a4cafea2a5933768a5bda5f4864d61b96878a6426842a06319d3c67dc7

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
SignatureygrlrN0MVHWj+988pkfZ7nC6uK5Oat/5pDGffiMcRy/2SZgemIY68JO1ug86gT2B1mWqP8e72lIfbsVxaH9PCw==
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

2026-09-17T10:53:29.098957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054485
observed d4327fbe244fe4350bb69672b55fe775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:29.080348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054485/manifest.json
observed 9129e8a4cafea2a5933768a5bda5f486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:29.059967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054485/publication.md
observed ae91e29de783811f3c7a8e34796e944c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:29.039219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054485/publication.txt
observed b4c0ff6a3184f1a3a5bb69d5760259bb...
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.