OpenTechnical

OT-2026-000017458

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000017458) never changes.

Identity and time

Publication numberOT-2026-000017458 · never reused
Internal UUID01a0ae6e-76c9-712f-8499-629b8268d461 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017458
StatusPUBLIC

Content hashes

Canonical texteb9fe9bcae689db922708df6bb0df68c619bc544626705b2335ca5808d45439e
Markdown0fdeacf7e89290bdb6d163b9dcca4990b450a28bca46c5f001e6457eb55d5bdd
PDF
Publication page06907b6dad64b412a6a180a83258419925c4ee1b841682d604449d9a75f27f33
Manifestb8b7ec5c481aabf4bd8f32d900fde50350b35d15a6d4263f86109e10f140a966

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
SignatureDnqJUODHdfq4W97T1I5jKXyH/E4Vggp8LSo4BTKtZ8Tx7zg2xwubM0Ctt2/0mJ5IBwM6K4Z/J/kvVlioKAI8Cw==
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

2026-09-17T08:44:38.238343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017458
observed 06907b6dad64b412a6a180a832584199...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:38.004038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017458/manifest.json
observed b8b7ec5c481aabf4bd8f32d900fde503...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:37.795898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017458/publication.md
observed 0fdeacf7e89290bdb6d163b9dcca4990...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:37.485182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017458/publication.txt
observed eb9fe9bcae689db922708df6bb0df68c...
fetched by grabo-systems from 34.44.131.203, 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.