OpenTechnical

OT-2026-000061878

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000061878) never changes.

Identity and time

Publication numberOT-2026-000061878 · never reused
Internal UUID01a0ae8b-b8ad-7d88-b7e4-500e8c285370 · 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-2026-000061878
StatusPUBLIC

Content hashes

Canonical textcfc6abce2eb229b1dc1d3924f9fdcf428efb6df872e12441dc6b8b8008ad50f9
Markdown25367eff274ef05243ea034a3672196954ff70ac66a089086261d203c325f97c
PDF
Publication page5172c2357bfc5d99f827c3dc4bf3a17b1470e870d61a8ea1d9c4886cf8b0d618
Manifest12e2876d298a860f73212291dd1f648ba2a1ef0a0450fb5f9452cd1191c058c3

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
SignaturegiUhFdsWTnXh7/m2O+th4QHUhy3oCRuA1InjcFBc8T/ORlu0Igs8sr40f8YDHhfLu/QjKrIQMhJZFvFeyqK9BA==
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

2026-09-17T10:40:44.580050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061878
observed 5172c2357bfc5d99f827c3dc4bf3a17b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:44.559645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061878/manifest.json
observed 12e2876d298a860f73212291dd1f648b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:44.537665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061878/publication.md
observed 25367eff274ef05243ea034a36721969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:44.518333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061878/publication.txt
observed cfc6abce2eb229b1dc1d3924f9fdcf42...
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.