OpenTechnical

OT-2026-000068980

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000068980) never changes.

Identity and time

Publication numberOT-2026-000068980 · never reused
Internal UUID01a0ae90-6dcd-7380-8440-6cd651dc7eb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068980
StatusPUBLIC

Content hashes

Canonical textff8cc6c378ec62319746777156ba8accd348ebda2f6d619af7b277f61948f391
Markdownad43f57c4df394b93317f47ecfdf557499ab176e0e3b360e8cf27243c5732b17
PDF
Publication page6181e2cabedcf552843b3fe6cc64fdb14d846226f9dcd681c9235b0a53863e2f
Manifest8b1b96a77252b883ce134853ab311f3ad74c27275820be3fe61dde6ea0eab95d

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
SignaturebGgaN9H+0T+oHGw1P9TN0Ouktx2O7xmB1RxK09Q99kuMwIQ2PA1FaTqJTgNd1+Kr29x18xiUUidwT3HFR1t2CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:49.208484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068980
observed 6181e2cabedcf552843b3fe6cc64fdb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.189808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068980/manifest.json
observed 8b1b96a77252b883ce134853ab311f3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.169904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068980/publication.md
observed ad43f57c4df394b93317f47ecfdf5574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.150368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068980/publication.txt
observed ff8cc6c378ec62319746777156ba8acc...
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.