OpenTechnical

OT-2026-000056826

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000056826) never changes.

Identity and time

Publication numberOT-2026-000056826 · never reused
Internal UUID01a0ae87-7af8-7e51-a485-876cc97e1531 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056826
StatusPUBLIC

Content hashes

Canonical text162371f9ffccc75cefb427c8575e84b8838a79aab96a8322eb44f5f0da3a4380
Markdownf47a601e9179b28d97141cecf1c8d5a8272be6925b59773d36e3c1a27d73f7a9
PDF
Publication page6913350706f1620b4b786158dc5e935b26071e67c04e8d2f04d51a2ee7b88478
Manifest7f0539f448e43f833c179b05b3649d71b5560ed07687d4da4357927a87b478eb

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
SignatureV97gWmYY1IyCr81Ot3NdSLUaXVQqBZo82Yi3Vip0Wwxe8RLJfM4Wxs7835kmDfMMM+AL9tby+bx7aJ8uO12OBg==
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

2026-09-17T10:50:19.113477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056826
observed 6913350706f1620b4b786158dc5e935b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.094807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056826/manifest.json
observed 7f0539f448e43f833c179b05b3649d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.078174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056826/publication.md
observed f47a601e9179b28d97141cecf1c8d5a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.060128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056826/publication.txt
observed 162371f9ffccc75cefb427c8575e84b8...
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.