OpenTechnical

OT-2026-000072399

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000072399) never changes.

Identity and time

Publication numberOT-2026-000072399 · never reused
Internal UUID01a0ae92-89d7-789f-bc0b-83bf49108798 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072399
StatusPUBLIC

Content hashes

Canonical text95e59f1558173db1eb6cbe07ba7f021d1f191abd8486c9a8f8ae4e2eb1dccf7c
Markdown03f5f63cf03f850cacc38081a534a81e9ed1f9a8dec0edbf688d32489ba674a9
PDF
Publication page536d81f6204fe36a88706dcd35ac96f557b883cff7c426ef5c858be39f007d66
Manifestb6d2b84a426ad14715a7e82499a43438e4b61955356a3513413361803ab9db8e

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
SignatureK1wIvvpV5U2Ae3KfwtsiqsRta+HOpLG3XTQ1hnQi851WJrjQNTBTSJKXlWBnM87+sqP2c4Sz/sGW1x0S7gUcDw==
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

2026-09-17T10:22:12.584839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072399
observed 536d81f6204fe36a88706dcd35ac96f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.565808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072399/manifest.json
observed b6d2b84a426ad14715a7e82499a43438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.546343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072399/publication.md
observed 03f5f63cf03f850cacc38081a534a81e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.528952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072399/publication.txt
observed 95e59f1558173db1eb6cbe07ba7f021d...
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.