OpenTechnical

OT-2026-000094597

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000094597) never changes.

Identity and time

Publication numberOT-2026-000094597 · never reused
Internal UUID01a0ae9e-f4e9-7778-a97b-fb2d0c893eb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:28.117587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094597
StatusPUBLIC

Content hashes

Canonical textba97f4a50d53d93715ea32db84a95b3a5bdf1fa3a45b701e8838af67e7ffd38b
Markdown2cff15be554d09d0b0a434a0c647b5666ce3341519866a043030956732bd064b
PDF
Publication pagee96249fc298c7bcec8f6f5bb8beb8470af45ecc9e4d8c484bfe27397f697d7bd
Manifest15a87fb75a829587ef430f95864afcab1aef7261a2c17b0a0a6645f727379153

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
SignaturerjCXl7iZye67CKyyNSZLn7s/7WtYpDRIdZrhMtz1b1oKgtOJ87zHrHqeQwE0TSstJ9th2cQ3LN/5VtxYtKuzCg==
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

2026-09-17T09:38:03.540712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094597
observed e96249fc298c7bcec8f6f5bb8beb8470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:03.524319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094597/manifest.json
observed 15a87fb75a829587ef430f95864afcab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:03.507600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094597/publication.md
observed 2cff15be554d09d0b0a434a0c647b566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:03.489569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094597/publication.txt
observed ba97f4a50d53d93715ea32db84a95b3a...
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.