OpenTechnical

OT-2026-000008216

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000008216) never changes.

Identity and time

Publication numberOT-2026-000008216 · never reused
Internal UUID01a0ae6a-908d-7faa-94b9-0c9b28d1dd4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008216
StatusPUBLIC

Content hashes

Canonical text19cf15e0f5de7b59d9ecaf6dddcc14b9c269ea3fc5041b14e858849726ec77ef
Markdown370831d825aeff64af4d9362265dfe28c325e1a418976e730cfb22af24c897a3
PDF
Publication page2c2ab8b64246830eaa7c546e343d3eabe6dee70908be964358460884e199bbea
Manifest3fcc2b3538ef8618de0e17146066f1dc1cba7b023db6c328481f42898bff71d8

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
SignaturevmTtIPiJ4ujwEV/aBbUq4tCLjqIHJAymCzIpzRmMtY9uKY1fshH0x5v7Aw4gtOb6Xj86RtEo6oWX5rjgKm1nAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:37.795110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008216
observed 2c2ab8b64246830eaa7c546e343d3eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.778472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008216/manifest.json
observed 3fcc2b3538ef8618de0e17146066f1dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.756188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008216/publication.md
observed 370831d825aeff64af4d9362265dfe28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.738623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008216/publication.txt
observed 19cf15e0f5de7b59d9ecaf6dddcc14b9...
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.