OpenTechnical

OT-2026-000074763

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000074763) never changes.

Identity and time

Publication numberOT-2026-000074763 · never reused
Internal UUID01a0ae93-ac2b-7baa-94b4-d8be38b29ff0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074763
StatusPUBLIC

Content hashes

Canonical text434987a717d5289f8b1671dbb6cd9eb20882e0fb52c64d6ff5915da936b29f97
Markdown2c60043a4641962d6c580051d28dd4e4aadc91a9afbabadff02e8ec6079bbc4c
PDF
Publication pageffbdbb81d850c27a3ad65baeeac0cc01fb60fa602664b25da8964bb76084c5da
Manifest4250f521135a7e16743346364d91f6ac2c1bc3ef1bd45f3155c4c8dcf863f5cf

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
SignatureulukkoX1PPqZlDZwMU9ZL98S6cn+nvOUl2SjfZmp/yRou/PaPsnQZoYMtfUF5AeATwvUsYD9PzK5Fdf6PSU5CQ==
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

2026-09-17T10:18:27.262306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074763
observed ffbdbb81d850c27a3ad65baeeac0cc01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.243919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074763/manifest.json
observed 4250f521135a7e16743346364d91f6ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.226058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074763/publication.md
observed 2c60043a4641962d6c580051d28dd4e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.206452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074763/publication.txt
observed 434987a717d5289f8b1671dbb6cd9eb2...
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.