OpenTechnical

OT-2026-000050494

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000050494) never changes.

Identity and time

Publication numberOT-2026-000050494 · never reused
Internal UUID01a0ae82-5c49-7aeb-80f6-8361a7dd1f00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050494
StatusPUBLIC

Content hashes

Canonical text160a8ca26c77d2cfd3e4833b871e4eaf4e8b24279bf3290e93b4d4fcb78b0543
Markdown01b637a4b0f7df5eae4f10c1e4246f83a468d9115000de14c96de011f406d6dd
PDF
Publication page1dfdeeac8c705ff99bb74379c95522b0119fd4b2e187ca675d22598dd7619964
Manifest0664936dc8b3a177ea014934d82d8b4feaf743f2de07d37a68fc885127723a6b

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
SignatureQwNjDwh0MS9eXIgqsvI+tj7vYTTWbhOUx/YDKFE0Mz8P5+n/dNXOiYttSl+FyHJovAG/LcP4YuXZIREX1LwPBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:33.016863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050494
observed 1dfdeeac8c705ff99bb74379c95522b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.002557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050494/manifest.json
observed 0664936dc8b3a177ea014934d82d8b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.987428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050494/publication.md
observed 01b637a4b0f7df5eae4f10c1e4246f83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:32.971008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050494/publication.txt
observed 160a8ca26c77d2cfd3e4833b871e4eaf...
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.