OpenTechnical

OT-2026-000056253

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000056253) never changes.

Identity and time

Publication numberOT-2026-000056253 · never reused
Internal UUID01a0ae87-4bd1-7331-8b3c-023848e0535e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056253
StatusPUBLIC

Content hashes

Canonical text2d45c8a1ee5b7b9a33f9dda1d5ef56662343d4ea62064d49afe8dcd46c466cf9
Markdown81688d65849b1212b371b662af13cf2c36f83105fcdef4fe952276249075dce9
PDF
Publication pageeffbd018b52e09ad24064f1134875001fbe9a59c10929c962046a518f6772b31
Manifestcb1e169e1cf60412521d46e5d270b405dbb2a049d780f73dd78a2f819b07ab31

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
SignaturetdHad5NSL/hZGACPN+oGN3sS/MFORjdTBIUwG6s+nYf57G1ulfGiaFKnwz5fNgwha+bCyVHTNUu+FbMJxSr5BA==
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

2026-09-17T10:50:44.122154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056253
observed effbd018b52e09ad24064f1134875001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:44.102931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056253/manifest.json
observed cb1e169e1cf60412521d46e5d270b405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:44.084159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056253/publication.md
observed 81688d65849b1212b371b662af13cf2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:44.067289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056253/publication.txt
observed 2d45c8a1ee5b7b9a33f9dda1d5ef5666...
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.