OpenTechnical

OT-2026-000056357

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000056357) never changes.

Identity and time

Publication numberOT-2026-000056357 · never reused
Internal UUID01a0ae87-4bd2-70d0-9035-8aaca9eeee9b · 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-2026-000056357
StatusPUBLIC

Content hashes

Canonical text4b9bdfac2ac87f6d88e6150893c58e62e11be497ca6f464e1bdce58e1be8ce68
Markdown15793479ce0bc34283b0f93c73488602d7303e2bbcc3d7c698e8ef86aeca1268
PDF
Publication page7f1c559ead4468ddf93e85a920c4acabbb5363bd1412cf0a5210cb6a1b8100de
Manifest6988a89ae6f0330de111ec260a63b775baf1360c5a8ca150f6310a257700f472

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
SignaturezTj6PpKA45y65AwMAT4vbTcsdj2hBkKzpWhU3s9vrgn1htZD4v71zW487EEq70VhOkEtFNVJ5iwoYYlNmjjEBA==
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

2026-09-17T10:50:52.238175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056357
observed 7f1c559ead4468ddf93e85a920c4acab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.219948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056357/manifest.json
observed 6988a89ae6f0330de111ec260a63b775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.200108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056357/publication.md
observed 15793479ce0bc34283b0f93c73488602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.182160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056357/publication.txt
observed 4b9bdfac2ac87f6d88e6150893c58e62...
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.