OpenTechnical

OT-2026-000027286

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single 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-2026-000027286) never changes.

Identity and time

Publication numberOT-2026-000027286 · never reused
Internal UUID01a0ae72-6996-7f1f-980f-97cf6ace985a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027286
StatusPUBLIC

Content hashes

Canonical text67ff89859ff150a215a2af1b501f39725059f3491f503ce17a217e25416681e1
Markdown640689a3f19304b94c05e2bcb4ad7fea1c1949d4cab7fb0772726f42fb1d09b8
PDF
Publication page12c709601cb165f9cde33d2bf152d0214529734109676f1679b72140570b662d
Manifest32534564b4af02da86ad0084b272d6d4af1f9ce19363db7b5f5ccbe94ddd5f8d

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
SignatureSTZtow51ho4mdLIqrKPdwT11Sbvz7hNobDVCnvq/14MSp9/oYDbvU0ru9K3yxzdzPynNiJ1//tBf0Bn71wj/BA==
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

2026-09-17T11:42:40.425176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027286
observed 12c709601cb165f9cde33d2bf152d021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.408672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027286/manifest.json
observed 32534564b4af02da86ad0084b272d6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.391556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027286/publication.md
observed 640689a3f19304b94c05e2bcb4ad7fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.376227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027286/publication.txt
observed 67ff89859ff150a215a2af1b501f3972...
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.