OpenTechnical

OT-2026-000062081

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000062081) never changes.

Identity and time

Publication numberOT-2026-000062081 · never reused
Internal UUID01a0ae8b-b8b0-781d-9a66-2a34b8c35565 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062081
StatusPUBLIC

Content hashes

Canonical text081b9d1bf3ac39a6517c554f8fd75b77aec267ad22fb689cce749287cc4b99fe
Markdown88fd5022e9b7074587a833258fb0bd57943255d060b2f628deb2b54c5e31f8ff
PDF
Publication page0e21ef9c3129a6748343560446dd32d011071bb8c0cb93e2872bde60b793bc57
Manifest42b39b588e682dae511e831af9280b74dc35453d4494236f5d4c8f4dc4dfff17

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
Signature+d6AmXXvvwkpREDNAJ4W6vF2y6WPyZpkrlLA1rzEbct0iPHWkisSSULvx6h/m29WkO4lRydUByS/0rfeFft7Bg==
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...

Independent retrieval

2026-09-17T10:41:07.998940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062081
observed 0e21ef9c3129a6748343560446dd32d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.980891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062081/manifest.json
observed 42b39b588e682dae511e831af9280b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.964089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062081/publication.md
observed 88fd5022e9b7074587a833258fb0bd57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.945797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062081/publication.txt
observed 081b9d1bf3ac39a6517c554f8fd75b77...
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.