OpenTechnical

OT-2026-000087459

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, sustained 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-2026-000087459) never changes.

Identity and time

Publication numberOT-2026-000087459 · never reused
Internal UUID01a0ae9a-cd50-76ec-9a64-df774b89d5c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087459
StatusPUBLIC

Content hashes

Canonical text8863781a1ffffffda82fa0d00a72d69eafc118ebb9712090f4b3d15577ba56ad
Markdown54fdb6621306709a32e93c8f0145dc87e8b36a2623133af004e081ae704cd6d1
PDF
Publication page935944925a92db04ce1cee8b1792f4fc8b3666df31545e9ea23d254bd834a96d
Manifestb8f875e0ad2f0f54008f2d0d60f8eb5deb8e0f66cfe9e871c8b02d9e6b3ce516

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
Signature1DjDEP0T2lMkbbGxlf3lIsrh0t19jw7EnkxXCinTur2M6jXWdYkk2O3xtbWFHdyJ7GpAinL+/7WprJ0HZS4TBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:47.133788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087459
observed 935944925a92db04ce1cee8b1792f4fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.116159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087459/manifest.json
observed b8f875e0ad2f0f54008f2d0d60f8eb5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.097707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087459/publication.md
observed 54fdb6621306709a32e93c8f0145dc87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:47.080188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087459/publication.txt
observed 8863781a1ffffffda82fa0d00a72d69e...
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.