OpenTechnical

OT-2026-000057445

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000057445) never changes.

Identity and time

Publication numberOT-2026-000057445 · never reused
Internal UUID01a0ae87-d5c7-7aaf-9798-36624fdd1dba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057445
StatusPUBLIC

Content hashes

Canonical text3cea7ad78953e08f313f8a48075956e94e3fec135defdec34fb22607b64de01c
Markdownf7eef97e73b34cd95a70ccde3a3201f0348ddb43c0793df12a390fc86894267a
PDF
Publication page7c94b0899b60d13297f7c314af14fdb3b6cb98e54fb957ad491ee723f70b6630
Manifestb26504013788821f6587e9b85b397b1c364d859f3f855964e6066c029f561848

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
SignatureXsxInf3RYgRPHNFy+u1ZTsMgLbOEW1EIFXKLGR7ch+HORQ959/+bAkECYKd1amqh79lNozRmqbD76PDwTeQ7Ag==
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

2026-09-17T10:49:44.454244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057445
observed 7c94b0899b60d13297f7c314af14fdb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.437097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057445/manifest.json
observed b26504013788821f6587e9b85b397b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.419232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057445/publication.md
observed f7eef97e73b34cd95a70ccde3a3201f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.400849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057445/publication.txt
observed 3cea7ad78953e08f313f8a48075956e9...
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.