OpenTechnical

OT-2026-000054977

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000054977) never changes.

Identity and time

Publication numberOT-2026-000054977 · never reused
Internal UUID01a0ae86-5e80-70ed-8be1-b1c1223315fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054977
StatusPUBLIC

Content hashes

Canonical textb825c87c91fc6e5b2ae52e42da617833d6fc982215f78100f3aaeba368ab703c
Markdowna2562e6b71d527de30b36323417d7ceafccfd93fbc7633108d7f323949ca4068
PDF
Publication pageacdf9dd677539a377644e8563bec7d0d9882beef218857d3db512337eb71ea7c
Manifest34c745d62d8fd0ea616f0efcdc25a0bd15a2e1c2e897f40154c4b4b09598476e

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
SignatureBTY83X98EzPL7+0sRcf7g+LIBy5RafY3G0cQRA3DKXbhHWPIdyvMtPu05Cpr+5zT5+uBY7W6c9MwWjdo4AG4Aw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:06.017014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054977
observed acdf9dd677539a377644e8563bec7d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.997631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054977/manifest.json
observed 34c745d62d8fd0ea616f0efcdc25a0bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.978072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054977/publication.md
observed a2562e6b71d527de30b36323417d7cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.959671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054977/publication.txt
observed b825c87c91fc6e5b2ae52e42da617833...
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.