OpenTechnical

OT-2026-000068731

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068731) never changes.

Identity and time

Publication numberOT-2026-000068731 · never reused
Internal UUID01a0ae90-6dca-70d9-bb3a-59cd4cb8942c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068731
StatusPUBLIC

Content hashes

Canonical text4f45d734aa162f0b06bcbceddb609b6d1baba90e82dbf54d14388fe9f3868fe2
Markdownfbd00c8b051bf94dd9d20cff6352f7c97f298ac1c2cdbb8136f69206435b4249
PDF
Publication page3f6a95f3c516d4f38d39f0e064250c77992dfaef30b0ea85972f201e3be2ae1d
Manifest07539475493fc4b584455e864561d17b0f447bf8b02d8afad8dae43644982405

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
SignatureT+mkmxnJ1yrP9/h/QFWsmvm5QoMxI6r/f6jzcnEfTFeB4In/l0jfwOMG7gso9PjSgJRQrMBwccVuFs1x8i2HBA==
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

2026-09-17T10:28:30.404351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068731
observed 3f6a95f3c516d4f38d39f0e064250c77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.388224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068731/manifest.json
observed 07539475493fc4b584455e864561d17b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.371580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068731/publication.md
observed fbd00c8b051bf94dd9d20cff6352f7c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.354700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068731/publication.txt
observed 4f45d734aa162f0b06bcbceddb609b6d...
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.