OpenTechnical

OT-2026-000100708

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100708) never changes.

Identity and time

Publication numberOT-2026-000100708 · never reused
Internal UUID01a0aea3-66f4-7eb1-ace3-2f56ce42c2a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100708
StatusPUBLIC

Content hashes

Canonical text3e365990062919938bc6569c976deb22a1b4acb064fef9b0c08c9505fb84e89b
Markdown2f4a91b3b903e5b67965de92d19fe5e34a3723e86d2597533d680fec38d3e5b6
PDF
Publication pagec38906b623da9cf96e392bd96f0331b4c93f0436be9ef60681218c07707a4ebb
Manifestb6ac16b66f22b9c346ee086cfce79d303f4dd0f981b5727db3e2eaa7f5abd9f3

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
Signature38hx6kl4v5E6vQou3RS9ekMM7OheT9of6j3jTIXzsYf5C7/A72gzdxmPPoZHnzYnrZieJGa6/jcErNUYDQcUCg==
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

2026-09-17T09:27:31.746109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100708
observed c38906b623da9cf96e392bd96f0331b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.729823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100708/manifest.json
observed b6ac16b66f22b9c346ee086cfce79d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.708862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100708/publication.md
observed 2f4a91b3b903e5b67965de92d19fe5e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.690579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100708/publication.txt
observed 3e365990062919938bc6569c976deb22...
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.