OpenTechnical

OT-2026-000079578

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000079578) never changes.

Identity and time

Publication numberOT-2026-000079578 · never reused
Internal UUID01a0ae96-0b92-7f50-9ebd-0e55e86a4e57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079578
StatusPUBLIC

Content hashes

Canonical textfaa9f50c6da7fff15975bb259f74fe8369519e45dbdc898e961d7aa777467feb
Markdownec1addbacfb49fa18a9c26771f96ad7369dfeda8fe18cfee05c76a08b16c088c
PDF
Publication page99c1941a5484eb5d7b9bfcd15214f37977dabcaabec38e18b45987556c7f9b0c
Manifest456553910c4e454692350a6136317e6042e159e9492b59ac96dfcf46aa37343c

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
Signature9v+dQ/79lP4ZhXExtdzxJoSwvuJOitWVYixTEcqR0XSuW/QIyAAI0yfA7Kelt/k7rLiV1GHPwbFX/aITRBgGBw==
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

2026-09-17T10:05:13.891522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079578
observed 99c1941a5484eb5d7b9bfcd15214f379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.872915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079578/manifest.json
observed 456553910c4e454692350a6136317e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.855034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079578/publication.md
observed ec1addbacfb49fa18a9c26771f96ad73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.826063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079578/publication.txt
observed faa9f50c6da7fff15975bb259f74fe83...
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.