OpenTechnical

OT-2026-000017690

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000017690) never changes.

Identity and time

Publication numberOT-2026-000017690 · never reused
Internal UUID01a0ae6e-96fa-7dda-87ef-4cf00e9241aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017690
StatusPUBLIC

Content hashes

Canonical textbdc4b5b93aa0b4874043ed382dbc23ef0509c13f3fad49df25a46fb2e3d5ca05
Markdowneeac5ccbbd37cc4e7dfb83d8c0e65d2d4ed96c679a254465d984253ee6c67a5a
PDF
Publication page8eea1482e7915bc2aa57a4c6772b66764060a25eb9ebcb349aadfdcbcf0b94d1
Manifestd39ebc53fd0837e80a83295222845fc50865ff0da5fbab9ebba4d41f2d6ae5bc

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
Signatureaini4d7apN6vRIwD59RbCyaBg4whp5AP5iDibwk/NyVdieIaWS4Hkep4CZy2ocwyp0YV8PhknENK1llO4Q8jCA==
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

2026-09-17T12:01:38.098674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017690
observed 8eea1482e7915bc2aa57a4c6772b6676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.082325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017690/manifest.json
observed d39ebc53fd0837e80a83295222845fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.064633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017690/publication.md
observed eeac5ccbbd37cc4e7dfb83d8c0e65d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:38.047982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017690/publication.txt
observed bdc4b5b93aa0b4874043ed382dbc23ef...
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.