OpenTechnical

OT-2026-000012905

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, pulsed 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-2026-000012905) never changes.

Identity and time

Publication numberOT-2026-000012905 · never reused
Internal UUID01a0ae6d-5563-7158-b853-3b4c7fdb662a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012905
StatusPUBLIC

Content hashes

Canonical text0dd29c49ed33bd6f942d49808e0b13d53c6d8498ac089634e6000b98f2b8d352
Markdown07d37a4ccaf9c54229de48a1e3ea529b892ef0fb4c0ae916e53b066a621cb001
PDF
Publication page7d422a2f2058bf984b5e825be69ff716f683e53e246ef252bb656ee17a0d36be
Manifest86a39cd36befd8276ba2c91e008ee8f24186269e6393533cf0fecde54548e28f

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
SignatureShKq8b6vYeqZf5/lw5HWjpSAFS43xBkHFPIyOq8+mhEe2bNi4i49LdWNCo+dQzZH5TChhYijhzrfrEItQOPoBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:10.947377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012905
observed 7d422a2f2058bf984b5e825be69ff716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:10.928884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012905/manifest.json
observed 86a39cd36befd8276ba2c91e008ee8f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:10.910923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012905/publication.md
observed 07d37a4ccaf9c54229de48a1e3ea529b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:10.891910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012905/publication.txt
observed 0dd29c49ed33bd6f942d49808e0b13d5...
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.