OpenTechnical

OT-2026-000080558

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000080558) never changes.

Identity and time

Publication numberOT-2026-000080558 · never reused
Internal UUID01a0ae96-7e79-7c83-ba45-5588503beccf · 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-2026-000080558
StatusPUBLIC

Content hashes

Canonical text0e1f9dcbd796662ade9d7a470400cf5189c4f861b8988ed8368545a1fe4c5eba
Markdown46610a742ca6e2e87c9fad013452897cce7393b0006dcf97f972309beb2756f4
PDF
Publication paged89728a63c82d4b5cdc5e14c7b6b3e650f8e098a6704280bcf2379bb3c3fb70e
Manifest7400499312b5914afd0b9d0311f2d5660cddb26e9334cab1e85f9f5eb230069d

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
Signature5490BWQtSse7yFQNqB2NjgzQ8AbjXFNRQXd0VWYzx3tZ+xvUN60xq5H5yQLR3a0te4ge+q+VX0Wzrmo6LtmpAw==
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

2026-09-17T10:03:11.246523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080558
observed d89728a63c82d4b5cdc5e14c7b6b3e65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.226427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080558/manifest.json
observed 7400499312b5914afd0b9d0311f2d566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.206483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080558/publication.md
observed 46610a742ca6e2e87c9fad013452897c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.187872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080558/publication.txt
observed 0e1f9dcbd796662ade9d7a470400cf51...
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.