OpenTechnical

OT-2026-000061902

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000061902) never changes.

Identity and time

Publication numberOT-2026-000061902 · never reused
Internal UUID01a0ae8b-b8ad-718e-8dc8-705570735a91 · 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-2026-000061902
StatusPUBLIC

Content hashes

Canonical textb8cd421fd9fd674d6af4597cb98debc62eb4824e374999c8f2e9fe65b48c4238
Markdownbd3e080fce02ae7f663e6d68f5a024e96c856152c532fee1d94a02a7c5445bb8
PDF
Publication pageca2db26d7e2947f01200bffbca99184008525313a2addab40bfad109e4c4eecd
Manifestdaba397126609688ea1db072c3c7c7781c9149fc214c45be1c2836045b54161a

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
SignatureX4oancDaddPeD2r9aAHhTA07xQYII8i3KKXpZ32LYLCPEcJCQC5yMldN5u+qlYLEJcokeaXLP6r62ZvB32udDA==
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

2026-09-17T10:40:46.629328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061902
observed ca2db26d7e2947f01200bffbca991840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.608907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061902/manifest.json
observed daba397126609688ea1db072c3c7c778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.589051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061902/publication.md
observed bd3e080fce02ae7f663e6d68f5a024e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.569158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061902/publication.txt
observed b8cd421fd9fd674d6af4597cb98debc6...
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.