OpenTechnical

OT-2026-000013802

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000013802) never changes.

Identity and time

Publication numberOT-2026-000013802 · never reused
Internal UUID01a0ae6d-8de9-775f-b5ea-45b6929feb76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013802
StatusPUBLIC

Content hashes

Canonical text18b87ce9967e719db29bb8af4f0864030e4354f32e87bed02ecfa3c7f09c8fc9
Markdownf1ed0ec78137c7a165d4ffae0c445c26a5ac81fd047d42ff135bd4184ea1ff39
PDF
Publication paged71f5a5056e8f1bdb4c1d13967db011e0b1301a1b8b85fb3a4aef07c5ceea76f
Manifest5b8d5af01b7c306151bb474db8a45fdd5ae3b88001d1f91e72488647e825263d

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
SignaturegcabeW4zi9n2v40I8nC+emp6znGWyWIh8FenDoAGr/GQCuYVZGra7EP4iD3DzZBruT3LbmiSRa9hVzdQ/15dCg==
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

2026-09-17T12:08:53.688732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013802
observed d71f5a5056e8f1bdb4c1d13967db011e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.670523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013802/manifest.json
observed 5b8d5af01b7c306151bb474db8a45fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.649987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013802/publication.md
observed f1ed0ec78137c7a165d4ffae0c445c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:53.628971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013802/publication.txt
observed 18b87ce9967e719db29bb8af4f086403...
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.