OpenTechnical

OT-2026-000053455

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, 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-2026-000053455) never changes.

Identity and time

Publication numberOT-2026-000053455 · never reused
Internal UUID01a0ae85-0a90-7ef3-a6ea-84d543281c7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053455
StatusPUBLIC

Content hashes

Canonical textb27983279c97787e596831d972e809542daa7037aa17b5579867b08c28e3e6a1
Markdown9083bc975204a18cf5a50b8a6f6e695ee3b66ca9a8fca5ea01b2b06fa50a7f57
PDF
Publication page221cfd03ca021742f7b8cdf9ca5f42d52cbadb32625e8142345a6851f20179d4
Manifest9900d5366db05913fb1d6f97b0875bc1c9f334ccdffe5ed6487599381282f0c9

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
Signatureo9n4vWR67lx0jqoT032PPGA+uUd7k2zav2G/9ZkytP3MNrleWGmEA8KXyWQz1R7n5V7zMbop5O8Zv4L804aLBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:12.138481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053455
observed 221cfd03ca021742f7b8cdf9ca5f42d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:12.119954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053455/manifest.json
observed 9900d5366db05913fb1d6f97b0875bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:12.100669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053455/publication.md
observed 9083bc975204a18cf5a50b8a6f6e695e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:12.080859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053455/publication.txt
observed b27983279c97787e596831d972e80954...
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.