OpenTechnical

OT-2026-000100717

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000100717) never changes.

Identity and time

Publication numberOT-2026-000100717 · never reused
Internal UUID01a0aea3-66f4-74f3-b1ef-0770aecbf660 · 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-2026-000100717
StatusPUBLIC

Content hashes

Canonical text0a2100edd04afae96e84220f429286d1c1378056a5df9f04e796743f65ef5566
Markdown2c3729984222cf73525b3acf4390723ea1b9f431484caa82f1dad2fe05d392e2
PDF
Publication page2a87f77daa8c1ed4fbddc43f9a66ab6ba7e4ae358c891828fa2bec89cff637be
Manifesta64b6485b1a9e7ca2e1441f1431b10ea736aaa1ecb04c6f4761a9d67aecc9404

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
Signaturexd6zqG8u5MuPmSUESbDUE1YBIgO5VmrHFITEEXFtD+vtVDWO9zsBT6Xk2D2KHcHYnpGO6Ew0Cs7WEGbUQfpXBg==
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

2026-09-17T09:27:32.507295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100717
observed 2a87f77daa8c1ed4fbddc43f9a66ab6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.489680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100717/manifest.json
observed a64b6485b1a9e7ca2e1441f1431b10ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.472261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100717/publication.md
observed 2c3729984222cf73525b3acf4390723e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.455055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100717/publication.txt
observed 0a2100edd04afae96e84220f429286d1...
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.