OpenTechnical

OT-2026-000080387

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000080387) never changes.

Identity and time

Publication numberOT-2026-000080387 · never reused
Internal UUID01a0ae96-7e78-7e99-b123-7cc928a18c4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080387
StatusPUBLIC

Content hashes

Canonical textfc1df08ca5f65bfc103c11e10b62dbc94142942746c1b80326403b201c93f753
Markdown65cababcc3ec9afecc668f825e9e8942fcb00beac7d1e4da9e51a98e55e59b0f
PDF
Publication page589f3ad21ac5979cc3fdc4c6e125356a113e653d790c401d0145b9337029a099
Manifest1320911e6d04f8be62003dbd25b1f9dc0cb825f10bb51224d2211e64aab2578d

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
Signaturee8PAn/p1A0lDvDPmEfTBfuUKrpFB1TJfXtbVCXYeYdfUkn4O9/iEE6LNm46WdQ67vPwXL416pgBNMpJJELWVDQ==
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

2026-09-17T10:02:52.896219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080387
observed 589f3ad21ac5979cc3fdc4c6e125356a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.878355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080387/manifest.json
observed 1320911e6d04f8be62003dbd25b1f9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.861421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080387/publication.md
observed 65cababcc3ec9afecc668f825e9e8942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:52.844805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080387/publication.txt
observed fc1df08ca5f65bfc103c11e10b62dbc9...
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.