OpenTechnical

OT-2026-000087868

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained 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-2026-000087868) never changes.

Identity and time

Publication numberOT-2026-000087868 · never reused
Internal UUID01a0ae9b-1aa5-77be-98f6-73fdb0c90779 · 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-2026-000087868
StatusPUBLIC

Content hashes

Canonical text672cf256188dc209eccd890e9409e550df327904a782823bcafa802b27a276ab
Markdown8ce903818eb9695006cb1077a08ac795e68ef0daff196c1d85df48eb88248d21
PDF
Publication page7eb59936e07c7f181207f1a283e2c404d40772585b4fe654209610b23e1ea6ea
Manifestc23fd065dc774c7b60780ccce90d387c7b0304ba9f0c20c97afe31d84c7f8be1

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
SignatureFZ4pr7f2aS6seJR1G2MBe/x7FkDNTmJ8Vee8xwjHB3+3IAjNyv68aDcrEh/wTL1ZVm+S296PabukiTKk2pMlBQ==
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

2026-09-17T09:49:07.492632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087868
observed 7eb59936e07c7f181207f1a283e2c404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:07.473637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087868/manifest.json
observed c23fd065dc774c7b60780ccce90d387c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:07.450845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087868/publication.md
observed 8ce903818eb9695006cb1077a08ac795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:07.428754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087868/publication.txt
observed 672cf256188dc209eccd890e9409e550...
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.