OpenTechnical

OT-2026-000081357

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000081357) never changes.

Identity and time

Publication numberOT-2026-000081357 · never reused
Internal UUID01a0ae96-f375-75c8-8fa3-a20f0e760182 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081357
StatusPUBLIC

Content hashes

Canonical textf99c76d16eb21f7eff74c23a765bd8f85be840ec8938d3cf0eb0c8d0917d04c1
Markdowna73e5be26ce7425e8600d568834c3154b6de405cad98fe65e1f9783401a4f688
PDF
Publication page32f484abd6b1a209ba9ad136c11bedb2acfec6fdd1d5f2a92c9f39339c57a208
Manifestf31d1339cf65b5be2266a33d031da6edf398568c8081d1806347542d7a5654c1

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
SignatureF/vlBc9B4FYnBXzXZTJK0+S35Xy9KH42UVSxleEwleP7UbIwFNLZLnt5wy9nfI6QnE8v4/pmpB/Oq3mnbfauCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:29.278669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081357
observed 32f484abd6b1a209ba9ad136c11bedb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.259270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081357/manifest.json
observed f31d1339cf65b5be2266a33d031da6ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.227179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081357/publication.md
observed a73e5be26ce7425e8600d568834c3154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:29.205187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081357/publication.txt
observed f99c76d16eb21f7eff74c23a765bd8f8...
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.