OpenTechnical

OT-2026-000081429

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, sustained 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-2026-000081429) never changes.

Identity and time

Publication numberOT-2026-000081429 · never reused
Internal UUID01a0ae96-f375-7bc8-b3c8-f4b419e2f0ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081429
StatusPUBLIC

Content hashes

Canonical text9965a00d558de89a91886177f7942bd9c10a4a4982e55dc80b9522cf07199cc2
Markdown78d6fe24af1f42a978f1f50a579cae5b70dd06c14daefe5e45119979af034247
PDF
Publication pageb442af24c76d131ee49ac195162ec7b511efa8b2fa06c258a35caa8fcba04cf6
Manifest899f8b0c1ea86243e603a4951a3ef8e44dd39520bfd9a8ded23fb98d021843f9

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
SignatureStZWLqJeV0gfYyXwS7udilVyzp1JM6kNWk22R7AVnRIREoyDpeMY06u4gHq4P6CzMSnkRwQKMg1AqdGyZC9jAA==
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

2026-09-17T10:01:35.097341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081429
observed b442af24c76d131ee49ac195162ec7b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.080610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081429/manifest.json
observed 899f8b0c1ea86243e603a4951a3ef8e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.062055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081429/publication.md
observed 78d6fe24af1f42a978f1f50a579cae5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.043665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081429/publication.txt
observed 9965a00d558de89a91886177f7942bd9...
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.