OpenTechnical

OT-2026-000049576

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line 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-2026-000049576) never changes.

Identity and time

Publication numberOT-2026-000049576 · never reused
Internal UUID01a0ae81-8f7d-7fb7-a4da-4cb544569c37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049576
StatusPUBLIC

Content hashes

Canonical text6ef4d36ef10cf48b24c19fbc7fa838cab62fb94734034487e977fe6ef97fb9b8
Markdownd45d9e4f209e75387a547fa59742fb865653efd748dc1f97cedc9eea3cd9186a
PDF
Publication page57a133c178ba75bc88818247e4285b48d7d3bc6194e78505878888fb300989bb
Manifest350dc902dbb5da9602bcfb848767971f50719331b67c5bb0d3c4819240d69219

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
Signature0cqJrv8wGNbrGLuO1AR4tagW9kVbfO6PrdhzEetAY7cp8Wp4snZ+not4SVF1e9MMHXGRmU9xDO+7wsU3yVYwCA==
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

2026-09-17T11:02:32.804333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049576
observed 57a133c178ba75bc88818247e4285b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:32.784977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049576/manifest.json
observed 350dc902dbb5da9602bcfb848767971f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:32.767032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049576/publication.md
observed d45d9e4f209e75387a547fa59742fb86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:32.749643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049576/publication.txt
observed 6ef4d36ef10cf48b24c19fbc7fa838ca...
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.