OpenTechnical

OT-2026-000064710

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000064710) never changes.

Identity and time

Publication numberOT-2026-000064710 · never reused
Internal UUID01a0ae8d-deb9-732b-a5f8-60203bd600ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064710
StatusPUBLIC

Content hashes

Canonical text69107733e33d668c9cf0c627e57f87c0f5a031d2601531660be82ee17c6a5614
Markdownf5d82a899150ab0e10cae87778ec4f42f4eb14ae798ed850d5cf97287efcd8f2
PDF
Publication pagefea95a50e9820c1ca58d9b5cea09ae978462e0036ad4c841be34bf2ef1a4fd5e
Manifest2d7846bf389f6bfb39f0a0dc63919e913d95e0197c7ba53f3a80b28b32e25b15

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
SignatureVGqScXUc3de/IM8BuUX0gyKPOa9QC3WeV3fx/CAcnBDU43TDaNwmD7ZsmZ6Po+U2pvcuzBWhh7cYQSjDyniIDQ==
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

2026-09-17T10:35:34.927367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064710
observed fea95a50e9820c1ca58d9b5cea09ae97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.909194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064710/manifest.json
observed 2d7846bf389f6bfb39f0a0dc63919e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.893118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064710/publication.md
observed f5d82a899150ab0e10cae87778ec4f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.876217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064710/publication.txt
observed 69107733e33d668c9cf0c627e57f87c0...
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.