OpenTechnical

OT-2026-000104500

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off after set-down

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-2026-000104500) never changes.

Identity and time

Publication numberOT-2026-000104500 · never reused
Internal UUID01a0aea5-3422-7dd4-97f6-b93b93a24f61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104500
StatusPUBLIC

Content hashes

Canonical texte813a7c4c19d48cfcb59c91e5f151f1364e5ade751f1e6c167a4e2a85adba0e2
Markdown2ca5b16f9b32f8a0190a632f88019d64436b0e8b098c86d0ba99e8bdd8e64efc
PDF
Publication page9a9afd8c6dbd8964a0cdeb89dd87ba2aae4dcb584080a22b16454c0ddeb72e0a
Manifestf55f321734c352a3a28d6c5a86d53902f68c0c4f6d4fc9b5150d198957fc3835

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
Signatureta4jgpB1hq0Mgj5qmpzadW0GMsw58frVUvXNeud24ZM8uh/lQ81uSbP1lvtaZrvlB9xwGeLPjRxbsPN5PjUbDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:47.436281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104500
observed 9a9afd8c6dbd8964a0cdeb89dd87ba2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.416527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104500/manifest.json
observed f55f321734c352a3a28d6c5a86d53902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.399752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104500/publication.md
observed 2ca5b16f9b32f8a0190a632f88019d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.381410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104500/publication.txt
observed e813a7c4c19d48cfcb59c91e5f151f13...
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.