OpenTechnical

OT-2026-000031286

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000031286) never changes.

Identity and time

Publication numberOT-2026-000031286 · never reused
Internal UUID01a0ae74-87ac-77ab-8c24-99986014ab71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031286
StatusPUBLIC

Content hashes

Canonical text3e999db81b1989b751fd36d9bebefec97522eff9bbce53c039831be409e53132
Markdownbd996a35df6332f477af73abe748fbea64ba2274c75ec8c1cfe610c619b8ad85
PDF
Publication page56afbbde015ba3bef79aff04ee007c3b71ec60033549119348c3d9ba96dc6438
Manifest9df0a7f0decd133127b3413f24d3bd4e2985f4aa49f009a51697fdcb3d155700

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
SignatureA1pVIltvEVkvqf5uIAW/RXog269+7H4OsnmCaakn/d1VCaSmX4lZeXhKzxSoJjLJAjq3kkRG/zStMqycVwG8Cg==
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

2026-09-17T11:35:52.186117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031286
observed 56afbbde015ba3bef79aff04ee007c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.169501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031286/manifest.json
observed 9df0a7f0decd133127b3413f24d3bd4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.152479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031286/publication.md
observed bd996a35df6332f477af73abe748fbea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.135496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031286/publication.txt
observed 3e999db81b1989b751fd36d9bebefec9...
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.