OpenTechnical

OT-2026-000100740

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000100740) never changes.

Identity and time

Publication numberOT-2026-000100740 · never reused
Internal UUID01a0aea3-66f4-7784-8038-37e6a30f6945 · 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-2026-000100740
StatusPUBLIC

Content hashes

Canonical text39a041bc7ef83671cac3dbca08d50625bb76081060dc26e176a09a1935c9eab0
Markdownd7909782a3e48a801c19d48b9fcbe40bfe41ea05b6ae63ba3165c02d47d80295
PDF
Publication page017d72cfd18d683efb1fadc941e5b96e51caca6956344332d207a9abcf0eb98d
Manifestff3e4a0a65a18c232111d1e7db5a6b5e5cf4d10afedd2d08ff6476766fb8b4de

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
SignaturemR6c4fjj+V1oKwBi1DdEYFaTwQ52Gg/d7Rx5c9xAsMjW3R6QrLjFOTOMviP2f1NITIwwoVZVLY5D3q1LvJSNDQ==
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

2026-09-17T09:27:34.378383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100740
observed 017d72cfd18d683efb1fadc941e5b96e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.361945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100740/manifest.json
observed ff3e4a0a65a18c232111d1e7db5a6b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.345575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100740/publication.md
observed d7909782a3e48a801c19d48b9fcbe40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.327990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100740/publication.txt
observed 39a041bc7ef83671cac3dbca08d50625...
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.