OpenTechnical

OT-2026-000104069

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000104069) never changes.

Identity and time

Publication numberOT-2026-000104069 · never reused
Internal UUID01a0aea5-341e-744c-84fc-7024c8833c9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104069
StatusPUBLIC

Content hashes

Canonical text303387e6ea7b0b90ca98b731ad16b99051cf2b450236867a3d6e20c607bc0703
Markdown2cede81670ced6878d7aa51d49b34ed5008819c931a638ef66e7cb8274c1e6b5
PDF
Publication page57b9b94567740170cfaa5c8fd0b5ddecaa434f44792aa423295bb6cd4d1bd518
Manifestf935b05a3b0aa6522f20f029ca9bd5c0d78bf763615ef9e156b758e3c371b6c0

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
SignatureJu03NKsPJ64PaB9lcMJTLrPofhCDDbiyTA2QtkXBB23pHKpIRJxvZBeAgVsXhOagI1mXzpNEwaNgKtLAwMaiDA==
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

2026-09-17T09:20:08.233733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104069
observed 57b9b94567740170cfaa5c8fd0b5ddec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.216469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104069/manifest.json
observed f935b05a3b0aa6522f20f029ca9bd5c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.198063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104069/publication.md
observed 2cede81670ced6878d7aa51d49b34ed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.178481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104069/publication.txt
observed 303387e6ea7b0b90ca98b731ad16b990...
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.