OpenTechnical

OT-2026-000053267

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000053267) never changes.

Identity and time

Publication numberOT-2026-000053267 · never reused
Internal UUID01a0ae85-0a14-7b2f-a123-6ef0d448d713 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053267
StatusPUBLIC

Content hashes

Canonical text6d3cee3646d812816cc8b718b1a8f85fd635a2057249a2dd24da8ed016ffc898
Markdown7261adf4a71b5db3fde23baf5c4831e859491f3dd96b447c5f2f7b97fc54d5d9
PDF
Publication page621077a7e93be66d6806e3401bd5ae1aa950893c005e4228149a0425390caab7
Manifest2883b29e1958ea35ce3787d617e2c4e4e3229d8d9cd2f2b1e685354b9955fd33

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
SignatureGBBn+geKwFczwWFjEwdD6Py3tFsW/eerw6Ki7eyNgbQ692flfBJ44XMehNx69erHvxjwWQRgM72J0+IVnnJwCA==
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

2026-09-17T08:41:00.028578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053267
observed 621077a7e93be66d6806e3401bd5ae1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:41:00.011663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053267/manifest.json
observed 2883b29e1958ea35ce3787d617e2c4e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:59.993273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053267/publication.md
observed 7261adf4a71b5db3fde23baf5c4831e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:59.974146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053267/publication.txt
observed 6d3cee3646d812816cc8b718b1a8f85f...
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.