OpenTechnical

OT-2026-000007772

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed blow-off before set-down

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-2026-000007772) never changes.

Identity and time

Publication numberOT-2026-000007772 · never reused
Internal UUID01a0ae62-843f-7a9f-804b-ed5b5bf9a10c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007772
StatusPUBLIC

Content hashes

Canonical textc02d50d005cf990a429663c6b9a59890ab5e5c9392214c3130f18322c05acbbd
Markdown318600beea4076ccba0abc8d85f8b1bd603ba10fba264e39a6bdeb3e46b7c339
PDF
Publication page4ddf7b066ed1a35eadccf5965bf61869c86f811405fbeaa556dd770de25a4e27
Manifest6535e7907ccc1c8a45d83e3e7d62352754f54e3ef3c8fbd479c69efc59924e08

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
SignaturedxvZFPb/DqyUOfHfPMomNUc7f3gFUTeWUBqdYcjDcDuM6kV7OQfiYS+YzJpYbYVyIN9L5/X59lAdQeIO9oxzAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:08.731990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007772
observed 4ddf7b066ed1a35eadccf5965bf61869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.713787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007772/manifest.json
observed 6535e7907ccc1c8a45d83e3e7d623527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.695261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007772/publication.md
observed 318600beea4076ccba0abc8d85f8b1bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:08.676784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007772/publication.txt
observed c02d50d005cf990a429663c6b9a59890...
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.