OpenTechnical

OT-2026-000077889

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000077889) never changes.

Identity and time

Publication numberOT-2026-000077889 · never reused
Internal UUID01a0ae95-2ed1-7f80-9c62-a46164fdff57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077889
StatusPUBLIC

Content hashes

Canonical text6b7489915544ca9c7db062dcf47ca075f49710dd5db8cee4c4fe21b2411bfaac
Markdown311b6fb2e73328a86a1e90da0a39ad22c84d320ff5bb0bba56ad33be96385a27
PDF
Publication page9f1a4600ff3cac3017f54cb08439feecf262e36602b80caf81a0b1e0c81799a5
Manifest46dcca54acf56d183fa544d2d3fe86d616661a26c8795a0416687e166645e09b

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
SignatureNuzta1wLZSuFk4yLczk0iqQ1H1WNNGaLCMlBjjJiutWezeYcSnPFe5M5/DRhr7+uBmZZtiwHkzWv6ZshhhUABA==
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

2026-09-17T10:07:38.122030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077889
observed 9f1a4600ff3cac3017f54cb08439feec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.103546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077889/manifest.json
observed 46dcca54acf56d183fa544d2d3fe86d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.084732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077889/publication.md
observed 311b6fb2e73328a86a1e90da0a39ad22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.066152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077889/publication.txt
observed 6b7489915544ca9c7db062dcf47ca075...
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.