OpenTechnical

OT-2026-000020501

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold 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-2026-000020501) never changes.

Identity and time

Publication numberOT-2026-000020501 · never reused
Internal UUID01a0ae6f-437c-763a-be99-ab0af3e5e60f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020501
StatusPUBLIC

Content hashes

Canonical textd86e2b52070698195da23e99ccd9193f4936a1adfc4656e2f78e1887eeccfe73
Markdown303749ae020f068e5a36a954e205e8f287213059d00a59a2b9053ec24792a750
PDF
Publication page61d51b90f60f13bd9b5ef2beaf373aca11f57a60006734f5ba7df8621f841b77
Manifest8ab73f64c9676ab47824fe8703803bf8bad460237f102d1428f149383bc7741e

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
SignaturezBI9J3jkZFGjiFS1z4Z40LGYYcQmT5tzvQtPgcsdu6s4CzUj0NP1l1v4GRUThzxStDo3477OwdVePw8c10ZTBA==
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

2026-09-17T12:00:27.524214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020501
observed 61d51b90f60f13bd9b5ef2beaf373aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:27.499300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020501/manifest.json
observed 8ab73f64c9676ab47824fe8703803bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:27.474375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020501/publication.md
observed 303749ae020f068e5a36a954e205e8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:27.388394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020501/publication.txt
observed d86e2b52070698195da23e99ccd9193f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.695197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020501
observed 61d51b90f60f13bd9b5ef2beaf373aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.678913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020501/manifest.json
observed 8ab73f64c9676ab47824fe8703803bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.660578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020501/publication.md
observed 303749ae020f068e5a36a954e205e8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.643828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020501/publication.txt
observed d86e2b52070698195da23e99ccd9193f...
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.