OpenTechnical

OT-2026-000062901

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000062901) never changes.

Identity and time

Publication numberOT-2026-000062901 · never reused
Internal UUID01a0ae8c-94a8-7345-925b-182411387279 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062901
StatusPUBLIC

Content hashes

Canonical text56d687fd625fabd1ebd0e180592e39fe85606f406fb7ac8edd6d02aa8a883cd9
Markdown4a35f343ab93df9237e9a8e8498ef25a8ba63df6566044a13ec3906d994a89cb
PDF
Publication page4db4f1831e6f318bf3ed8fe41c5df35521d4e6fc89c54f9f1677a366d0410f92
Manifestfe6afbdd311bfd84184ea4688498056d7396a3bbbee529dad973d64b8bf015cb

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
Signaturex6Y7sNAPDsnEOldtUqwUR8liqqZjVS0F4q8iVckgPorUgwiLMVTGpkqu5nh5IExcRgrw4lKeqKBJ4rBVvhxqDw==
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

2026-09-17T10:40:16.314769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062901
observed 4db4f1831e6f318bf3ed8fe41c5df355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.295532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062901/manifest.json
observed fe6afbdd311bfd84184ea4688498056d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.275296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062901/publication.md
observed 4a35f343ab93df9237e9a8e8498ef25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.252700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062901/publication.txt
observed 56d687fd625fabd1ebd0e180592e39fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.585345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062901
observed 4db4f1831e6f318bf3ed8fe41c5df355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.564797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062901/manifest.json
observed fe6afbdd311bfd84184ea4688498056d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.545869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062901/publication.md
observed 4a35f343ab93df9237e9a8e8498ef25a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.527095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062901/publication.txt
observed 56d687fd625fabd1ebd0e180592e39fe...
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.