OpenTechnical

OT-2026-000054241

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000054241) never changes.

Identity and time

Publication numberOT-2026-000054241 · never reused
Internal UUID01a0ae85-b3a9-705e-a2ae-50a118346e34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054241
StatusPUBLIC

Content hashes

Canonical texta6f21b39715e61030b0507327648877741e59b22380fe9da48dcc96989adeac1
Markdownf060546283eb73f132c20bf252cad90799d11df864196f10bb8315e0e97f21eb
PDF
Publication pagefe4a0857f82c78591a4b24245ce27d30ca985ff684003c6d55635c4b2d1fa81a
Manifest252ed3c8f54360bc2382067e8dd8a55aaa8c585e83f5af5efbffbbb7e70d1628

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
SignatureBdQwqmWwFitrIEQAdzmvO109lWAfILhQfOvoRNuuNGBkJEB4BQFy6EvxqikyW80+TzEojGDOMkG8CXtPDj6NCA==
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

2026-09-17T10:54:43.565528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054241
observed fe4a0857f82c78591a4b24245ce27d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.545656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054241/manifest.json
observed 252ed3c8f54360bc2382067e8dd8a55a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.522342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054241/publication.md
observed f060546283eb73f132c20bf252cad907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.503183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054241/publication.txt
observed a6f21b39715e61030b05073276488777...
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.