OpenTechnical

OT-2026-000034317

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000034317) never changes.

Identity and time

Publication numberOT-2026-000034317 · never reused
Internal UUID01a0ae75-df0e-7546-8366-30ee38be2c43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034317
StatusPUBLIC

Content hashes

Canonical text118506df99365aeb2482e13bee12ece570037818a24d071149e5a9be7181f6a1
Markdownabb5d030d9b6244a62b521bdc744a96a04ea7daca2eaa679dfb191747525b4a7
PDF
Publication page454d76b56fd06dd3af57f30ed88a50bb7a608e46959fb634d01125ce7dbcc845
Manifestb03229e65d70808832bc77647c97a10c952100ea1ce7642a1629d8fb41c6210e

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
SignatureKWhJcOf0tf3U1oOnPvkrgjkimwRjkxNWgWrbAxeZ+ev9MsNbbrsvMgoWPqpdKqnTPO+TrLCnPVJ6vTv9vSnpBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:00.641483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034317
observed 454d76b56fd06dd3af57f30ed88a50bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.623707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034317/manifest.json
observed b03229e65d70808832bc77647c97a10c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.607265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034317/publication.md
observed abb5d030d9b6244a62b521bdc744a96a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.590505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034317/publication.txt
observed 118506df99365aeb2482e13bee12ece5...
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.