OpenTechnical

OT-2026-000011273

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000011273) never changes.

Identity and time

Publication numberOT-2026-000011273 · never reused
Internal UUID01a0ae6c-5410-7ea4-8770-133c1174fa07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011273
StatusPUBLIC

Content hashes

Canonical text337cecfde62c48d6388c5bdb1f827f934ca91be16c55adbc16ff9e8349def7eb
Markdown12c5c3a1f3acc130c50f2cf7e7de69699ba1dea644407efd9a075a7f36337f59
PDF
Publication page7b586861002ceed264968b6e2493e3801db3d54aee0d083c3d3a7233b4d5e950
Manifest332b90f6854189bd1849fc8bb9128bf0f41b53d70126c02a1cd390eeef43bb11

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
SignatureqpjdXBqWMjLK4lIC60I0/YLb51OYSOZGYqak1iVLWROzvAV6kR15uRCTDJMxQ/15GFpf6pJ+du3EO46ZbhcdBw==
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

2026-09-17T12:14:14.850176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011273
observed 7b586861002ceed264968b6e2493e380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:14.831299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011273/manifest.json
observed 332b90f6854189bd1849fc8bb9128bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:14.813248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011273/publication.md
observed 12c5c3a1f3acc130c50f2cf7e7de6969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:14.792288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011273/publication.txt
observed 337cecfde62c48d6388c5bdb1f827f93...
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.