OpenTechnical

OT-2026-000053631

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000053631) never changes.

Identity and time

Publication numberOT-2026-000053631 · never reused
Internal UUID01a0ae85-0a95-7634-93c0-7bd64cf209dd · 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-2026-000053631
StatusPUBLIC

Content hashes

Canonical text5baed907b5a11e97134230b77c5b527cd8944bfd7fc1ce502bfe0bf110996245
Markdown6f0455032b21e1effbc3938a4152d15914f2d60733b43f73dd8181cfd8de1936
PDF
Publication page7acc63270a4d02b7171e564e3ab15d1e9055c6a2cc8e2a12126b62798605119f
Manifesta01b41e900cf3377121aa560b7a2676f8ddf317dbe2adafc06d8e2ee572728c2

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
Signature+Y/KFsBSVcRUrZg4t399pDMkV7eNR0EeKfJiamHzuewy1tmBdcYZ4nVT2gBuCCCUKMpsLC2cY/mo2GHCOWG0DA==
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

2026-09-17T10:55:30.762838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053631
observed 7acc63270a4d02b7171e564e3ab15d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:30.744137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053631/manifest.json
observed a01b41e900cf3377121aa560b7a2676f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:30.725699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053631/publication.md
observed 6f0455032b21e1effbc3938a4152d159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:30.704580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053631/publication.txt
observed 5baed907b5a11e97134230b77c5b527c...
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.