OpenTechnical

OT-2026-000089854

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000089854) never changes.

Identity and time

Publication numberOT-2026-000089854 · never reused
Internal UUID01a0ae9c-428d-7ead-a5b0-12cab8cabdfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089854
StatusPUBLIC

Content hashes

Canonical texte8a31944ced0d544c394cdcc6b9a40a89c371f60273413700ef538ea7c37227b
Markdowna09c87c9d551c4657c5160ac3c1b8420d9a0d575a03161ec7089ae739a2cdde7
PDF
Publication page7834a0c39b231172bc9dfc96efb704025400225b4a5b385549c856f0b5b59037
Manifest23f40f2cdf950941907366bfe61e8cf8271b8dd662d2454767e606e4db0b6190

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
Signature94gquVN/0kiElibdIJuloVpLBJHTU9cZuVJgFY4OJbsbmblBa5xPe7M20WjD7ipU/Q1Km4IL/w07YiZ6v8GoDQ==
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

2026-09-17T09:45:01.746893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089854
observed 7834a0c39b231172bc9dfc96efb70402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:01.726632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089854/manifest.json
observed 23f40f2cdf950941907366bfe61e8cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:01.662474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089854/publication.md
observed a09c87c9d551c4657c5160ac3c1b8420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:01.599740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089854/publication.txt
observed e8a31944ced0d544c394cdcc6b9a40a8...
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.