OpenTechnical

OT-2026-000089632

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000089632) never changes.

Identity and time

Publication numberOT-2026-000089632 · never reused
Internal UUID01a0ae9c-1a21-71a6-8296-3a565fafdf84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089632
StatusPUBLIC

Content hashes

Canonical text5f7e39cf7f47979d9b6674b64aa1c74e53b24bc88546c0c77e9b8caab735a440
Markdowncaf6f30c12a2543aa057276477c5df7f778ec43e70a48d96cc5ef4c3f46460fe
PDF
Publication page59dfaeac59e538d6cfb733ab72077c68993211497c5cba8c0fa2a8cbd86e3ae7
Manifest0db1ffdaa2a6833364423cc9f307afd11d8a9a7b3a5319d07659f9bc2a29095f

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
SignatureMeIneWjQ4vQvqBnwBOJK4GHN0gN1OU1SGxTuunO32NUnWfD5EhWpr+rDA0rLW2/80BXl6lEhapvXIGTQcwt2Bw==
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

2026-09-17T09:46:37.165264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089632
observed 59dfaeac59e538d6cfb733ab72077c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:37.148313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089632/manifest.json
observed 0db1ffdaa2a6833364423cc9f307afd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:37.127110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089632/publication.md
observed caf6f30c12a2543aa057276477c5df7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:37.109473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089632/publication.txt
observed 5f7e39cf7f47979d9b6674b64aa1c74e...
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.