OpenTechnical

OT-2026-000039549

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000039549) never changes.

Identity and time

Publication numberOT-2026-000039549 · never reused
Internal UUID01a0ae78-d8d3-7783-bce0-a812b1dcf8bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039549
StatusPUBLIC

Content hashes

Canonical text116618045bbb7194dad077882786761194bb5fe64d4bb9456c5d418ecfeb046d
Markdown222f0af12c6aa7a71c3f00e27f5d461ac74cc0ce0477430784afc9febf4549c5
PDF
Publication page74b43518f88c1011875ed387426f79be2fa961fea525e0dd6fa0ca2bacd8b295
Manifest4e6eb51d2861dfd4ca44087ea850537b07dd4f9f650de19db03640dd67e65685

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
SignaturekVo4JH8bLxKikrSryCQifsVf5dL9GFxuw1ymi7GjmBk4WO8j96bsbWqpd6vnj7FFUagCZ1bzdBUiPs82/SzmAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:42.192447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039549
observed 74b43518f88c1011875ed387426f79be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.174210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039549/manifest.json
observed 4e6eb51d2861dfd4ca44087ea850537b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.155648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039549/publication.md
observed 222f0af12c6aa7a71c3f00e27f5d461a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.137034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039549/publication.txt
observed 116618045bbb7194dad0778827867611...
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.