OpenTechnical

OT-2026-000053571

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum 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-2026-000053571) never changes.

Identity and time

Publication numberOT-2026-000053571 · never reused
Internal UUID01a0ae85-0a93-7e05-8adf-d6839d6c29a8 · 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-2026-000053571
StatusPUBLIC

Content hashes

Canonical textb4540686aa3e305935192a258355d61190c815e0c2aace488e3136265b512482
Markdown17d58340c5009b5af858ff6f7edfea32ccbaf2cda7b227c9c71597def65d7524
PDF
Publication page47ad36e437a64e973b2c877e16cb3256a6af0155e12bb56d4324c5a7f706735e
Manifest02cbbdc657d811ab6ece775d64dd7485e6c91b60e7a93448dcdb017e7e892d3c

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
SignatureDCPUIb8tgKTndkacCpCTIWUMxctrvnDntGZ4tcAbvIcoY3/P7B4yjBvWfTpN0LfjnlwQtutCC1h0l/VnI6RTBg==
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

2026-09-17T10:55:26.083330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053571
observed 47ad36e437a64e973b2c877e16cb3256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.066093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053571/manifest.json
observed 02cbbdc657d811ab6ece775d64dd7485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.049544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053571/publication.md
observed 17d58340c5009b5af858ff6f7edfea32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:26.024217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053571/publication.txt
observed b4540686aa3e305935192a258355d611...
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.