OpenTechnical

OT-2026-000008569

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, supply line 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-2026-000008569) never changes.

Identity and time

Publication numberOT-2026-000008569 · never reused
Internal UUID01a0ae6a-e46b-7ad3-a4f3-608dc5c1ac21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008569
StatusPUBLIC

Content hashes

Canonical text9cedbd561cb32b352e8c219912df8a13b33d50f5191b5bbaa191afbab244db9d
Markdownefe614b34a6224c26e32b41d009685156dfb61c7bb6055d025eb1e3a595800da
PDF
Publication page8c98d3202c16aea54322a9012dcb434260f91c8b99f01e838e58eab4e216401e
Manifest3b4fdb40a3b650b89df538908912324967a9c28eb7a51802aa0bd21f6be8b80e

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
SignaturexBfLm4XK+jitPO862ov8QoigtbMfmty5rNCgrB7QE7dYRnAWM3FpYPtQ3rUlzqYwfbuRrAy1Xg7EQCrxUHStDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:30.607586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008569
observed 8c98d3202c16aea54322a9012dcb4342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.585213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008569/manifest.json
observed 3b4fdb40a3b650b89df5389089123249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.562682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008569/publication.md
observed efe614b34a6224c26e32b41d00968515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.542353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008569/publication.txt
observed 9cedbd561cb32b352e8c219912df8a13...
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.