OpenTechnical

OT-2026-000026239

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000026239) never changes.

Identity and time

Publication numberOT-2026-000026239 · never reused
Internal UUID01a0ae71-a841-7ce0-965a-0966781c2cb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026239
StatusPUBLIC

Content hashes

Canonical texta121b22fef955506e839d4192c7a7236d58a916703838daa422bf787e8f34002
Markdown0d87bcdf808b83eb4c012a071494f9ffdfa93191d189516301742cda704ae60d
PDF
Publication page4fbcd9af3e68e1cfc1d0560f63ce97345a78f9e2041bc96d4e4b9cc3284b1379
Manifest4b0e4fc8e93bf05e976411143f1f7b11bdb1d8766036a7eb19727431bdc1b760

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
SignatureWA9OKHUE9LyVBwg9USM02VktEOl03KIlLT3fN7Qv1Ul9mtnKM0/8ZIb0CMKZMsxywqKnu5S3EqO5AEhdNtiMDg==
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

2026-09-17T11:46:46.418213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026239
observed 4fbcd9af3e68e1cfc1d0560f63ce9734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.399423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026239/manifest.json
observed 4b0e4fc8e93bf05e976411143f1f7b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.381248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026239/publication.md
observed 0d87bcdf808b83eb4c012a071494f9ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.360722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026239/publication.txt
observed a121b22fef955506e839d4192c7a7236...
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.