OpenTechnical

OT-2026-000054010

Publication integrity record

Foam pad vacuum gripper, single 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-2026-000054010) never changes.

Identity and time

Publication numberOT-2026-000054010 · never reused
Internal UUID01a0ae85-b3a7-7505-86e5-f28525d250a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054010
StatusPUBLIC

Content hashes

Canonical text29c80ab85ab24aa07abaac2021ee5b83318f3af4bb2499febe8d76ae85332835
Markdown05854aa348a3f0cec6dea450a6cccfb044c2e3a9caad25eea7002aa0e5f1af3f
PDF
Publication pagef2662d7340cc908d22e7e371cdf16735bc30bd11a6d4aaca2ca9f53190097717
Manifestcf7391d7c564f4577992e798655d0bc3414d495e1a7873a87788113e62cfba1f

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
SignatureFgm3s+PZ17RLmCYHQsEz0QcMfrn8CJkUn8A7R1WeG3MDcVak5J1BxhHgwJAUPL6nLmkhNqp9k558YVnleHUhCQ==
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

2026-09-17T10:54:20.962674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054010
observed f2662d7340cc908d22e7e371cdf16735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:20.921652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054010/manifest.json
observed cf7391d7c564f4577992e798655d0bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:20.878868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054010/publication.md
observed 05854aa348a3f0cec6dea450a6cccfb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:20.851416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054010/publication.txt
observed 29c80ab85ab24aa07abaac2021ee5b83...
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.