OpenTechnical

OT-2026-000100683

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100683) never changes.

Identity and time

Publication numberOT-2026-000100683 · never reused
Internal UUID01a0aea3-66f3-7968-b747-f9d5d1add3f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100683
StatusPUBLIC

Content hashes

Canonical text88c7bc9b5e1e6be735ed08834a7a3123a9b8b776e9d8c16ded189a2661cffa8c
Markdownc9e633be70db735752da79c8f4fe4189f9f9ea544f08bdc00ba96682b031a8e5
PDF
Publication page16896fcc8657a4623fd5997b8c7f23ec096c5d5ddfbebb74278859ade79d3a06
Manifest479beb72d9c532b60232f88de30b00d3e7c9360a310606f646de3f5cd1f174c0

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
Signature3IALoSiGARG7t9n68zQP539vRs+vKi/tocaEf/3aaf8XUokzpoBcGHSDoHp55mmmwc7Ogg9O6LNGNVPeruZfDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:29.854647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100683
observed 16896fcc8657a4623fd5997b8c7f23ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.836182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100683/manifest.json
observed 479beb72d9c532b60232f88de30b00d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.815673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100683/publication.md
observed c9e633be70db735752da79c8f4fe4189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.795607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100683/publication.txt
observed 88c7bc9b5e1e6be735ed08834a7a3123...
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.