OpenTechnical

OT-2026-000069686

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, vented 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-2026-000069686) never changes.

Identity and time

Publication numberOT-2026-000069686 · never reused
Internal UUID01a0ae90-b52c-7db3-871c-177bc51599fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069686
StatusPUBLIC

Content hashes

Canonical text34be2e6fb1a6ac7323765f3f0920de3166e9b1b70cfe747dbc0e94399a0f7003
Markdowna08e4441995853c02b80a3f12a73110b4cb4d0d3b3dbf243d270ec054e4df478
PDF
Publication page3a73d4c666d7aa859e2b2237ec934ee812297e8ef2ad8e95d8e2e1d0d3da2ccc
Manifestc90794c2fe98636991e815934a5eedb07aaf4c64db853cef76ce56ff3065a8b6

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
SignatureA3MsElPNbUU5FDQ/LUFVCJ4dScKLeLUNQiThLEd42NZqKcQ0v4kAys83iMW1NX52z9fqdr2Lk0S1c/QpqlFNAg==
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

2026-09-17T10:28:21.647817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069686
observed 3a73d4c666d7aa859e2b2237ec934ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.630493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069686/manifest.json
observed c90794c2fe98636991e815934a5eedb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.612861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069686/publication.md
observed a08e4441995853c02b80a3f12a73110b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.596111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069686/publication.txt
observed 34be2e6fb1a6ac7323765f3f0920de31...
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.