OpenTechnical

OT-2026-000100453

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000100453) never changes.

Identity and time

Publication numberOT-2026-000100453 · never reused
Internal UUID01a0aea3-66ef-7e9a-a2c6-c5c24c257a50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100453
StatusPUBLIC

Content hashes

Canonical text8d4ec72cce84d86aeb5e8bebe26fa1637a79b7fdd0b9c200c2cfe65b8dcc91b7
Markdowne96a86ec011e173f7cccbe7251314c350465be85474e7364650292409dd1c3e7
PDF
Publication pagebb885556512b56d2bf363c7549039ab957eb8397ba5941f81bdfa8ed5323c522
Manifestc7566bdd4bf499d3ac30145215023fecddee20651b7521491817e5ad9f86b64e

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
SignaturefSMUvT18DXbpcuRtSvXFvt9TjBgJMj5Jd3R5cRTTOj8zbyZZT52b1UrHmdL0XV+Vc8cQvuEsEmVzAZSKBHYsCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:12.042597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100453
observed bb885556512b56d2bf363c7549039ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.025346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100453/manifest.json
observed c7566bdd4bf499d3ac30145215023fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:12.006733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100453/publication.md
observed e96a86ec011e173f7cccbe7251314c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:11.990116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100453/publication.txt
observed 8d4ec72cce84d86aeb5e8bebe26fa163...
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.