OpenTechnical

OT-2026-000087760

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000087760) never changes.

Identity and time

Publication numberOT-2026-000087760 · never reused
Internal UUID01a0ae9b-1aa4-7808-b3d7-142096ae65de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087760
StatusPUBLIC

Content hashes

Canonical text50d66690292e4e5498247f60936de40673e787f63d9dae6ba79de09285d5659d
Markdown2c4852245d08b782dd32c7220fa01496155ab25be1da3a6c03c7c9bbb3a3d04a
PDF
Publication page8c4a1e13b879982062b4e19519d4ae5a36a86427391b232bf78d3be79efb7667
Manifest223861989cb057a97f3f221502bb30f78615057740d325f51ec1d20f1935c640

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
Signature83314OAp7NlOduCUXa/y1+W9x/oIthdTsRqaMSD16pWmYG0c6QjQCJA9mTsydFly6vFPBOqxvNQQIGX9Ke8BDw==
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

2026-09-17T09:48:57.369327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087760
observed 8c4a1e13b879982062b4e19519d4ae5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.351489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087760/manifest.json
observed 223861989cb057a97f3f221502bb30f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.333716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087760/publication.md
observed 2c4852245d08b782dd32c7220fa01496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:57.316022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087760/publication.txt
observed 50d66690292e4e5498247f60936de406...
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.