OpenTechnical

OT-2026-000089507

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089507) never changes.

Identity and time

Publication numberOT-2026-000089507 · never reused
Internal UUID01a0ae9b-db02-7ca2-93a5-c3f4e7d0b4b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089507
StatusPUBLIC

Content hashes

Canonical text4d800c2bc419b27bd36ce614380615aa3fc84242389a2eaa221455c7162495c2
Markdown0a03706483927f6863c6f03a597cc9ef438997d8e15a4eb7d5c2ca855fd84ef9
PDF
Publication page8d38cbb1756e20d581e1c965c2ca2d0b7aee0b8de90740594540f19b4eafd467
Manifest200cf18d76c0bbc2f89f9983a8645f7bddbf8cf869484575b9c7f78427c7f760

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
SignatureWeDSUrBhFarIsSJ+qgJV4hw/ZL1K4a9ewO8e2VVOaCg4f+XFA6LdQANGZ3N+YuzdDoIFcEmTkYiMj68gh3hpBw==
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

2026-09-17T09:47:39.728613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089507
observed 8d38cbb1756e20d581e1c965c2ca2d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.710322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089507/manifest.json
observed 200cf18d76c0bbc2f89f9983a8645f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.694288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089507/publication.md
observed 0a03706483927f6863c6f03a597cc9ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.677696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089507/publication.txt
observed 4d800c2bc419b27bd36ce614380615aa...
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.