OpenTechnical

OT-2026-000080498

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000080498) never changes.

Identity and time

Publication numberOT-2026-000080498 · never reused
Internal UUID01a0ae96-7e78-7a98-baae-fb2b7977891c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080498
StatusPUBLIC

Content hashes

Canonical text02c3e55f6f4dfa5a11c6e0501593feb5b4b6f664fbcc91705f458351a67e22d0
Markdown3236514b35403f6a72580da7984d2429049218ff3ff0ab417fe5912606a5feb9
PDF
Publication page21939d6d0cda25d05a055b16f3087956224a46271b51a1955d957c1708af66fb
Manifest48e9028000a933955482cb4bce5f43449b86eac3e8bcf482ec905808ce9999c1

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
SignatureMbSiOYWJ9Ei6SqjrvYvtOOybUQlZUm6U3NzPDRT03Atst7mb3dV6bc3UwuH8rp/I1MVu+9/e9iXDbHlhd+O7DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:01.100175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080498
observed 21939d6d0cda25d05a055b16f3087956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.082957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080498/manifest.json
observed 48e9028000a933955482cb4bce5f4344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.065639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080498/publication.md
observed 3236514b35403f6a72580da7984d2429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:01.048601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080498/publication.txt
observed 02c3e55f6f4dfa5a11c6e0501593feb5...
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.