OpenTechnical

OT-2026-000103446

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pulsed blow-off 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-2026-000103446) never changes.

Identity and time

Publication numberOT-2026-000103446 · never reused
Internal UUID01a0aea4-e460-73d3-bb10-84185cade0b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103446
StatusPUBLIC

Content hashes

Canonical text39c5e356e9412cadb8520b94774552a4144c19d5a1bf91d79419b963cbb0da6c
Markdownc5b7b1d7c382d238bc00dcaa50bf0c96f55731739436f37bd238ed8a2a017eaf
PDF
Publication pagebfc3554a12f5c926cae7f622d62e3a486148f4af3c978d9df97927727b6ea33e
Manifest818284630ceb57b2d2e195b89ff4635732d60ee7a852e26e3b45a4cd4714510c

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
SignatureRhE4h1QkYmBlhlRlJ9oJsRsKgPZj7aJjPXZY0vdfc0th1Zd3GAQ60OdEgpZMz3EUfwydhgaMNbQkLhYJ7ldWDg==
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

2026-09-17T09:22:12.060876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103446
observed bfc3554a12f5c926cae7f622d62e3a48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.044949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103446/manifest.json
observed 818284630ceb57b2d2e195b89ff46357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.029750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103446/publication.md
observed c5b7b1d7c382d238bc00dcaa50bf0c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.013627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103446/publication.txt
observed 39c5e356e9412cadb8520b94774552a4...
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.