OpenTechnical

OT-2026-000073329

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000073329) never changes.

Identity and time

Publication numberOT-2026-000073329 · never reused
Internal UUID01a0ae92-efb7-7f3b-9786-0c1b5cc1302f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073329
StatusPUBLIC

Content hashes

Canonical texta4ff7dd5bea92f10e041df4e4348af6c6ed38466e17d8604e4d8f424285196bc
Markdown5ca3679eac38e1d13c1b6f65eeb8202994bc56678bb3ff6597eae235d3e37857
PDF
Publication pageec694f00420a46f8784a94750c85463d7974457077d43463f5728164b05950a6
Manifest38cfd7c0357ac0c009ba163f5631932bd8f71cd4c83397927721aa786cec7c20

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
SignatureiQ44xDe7qRIiw8AhDnzIViZ8ogJMQ7calygqcwP6+CQhHyX3g55ZX46Xty0kq9qmDLRF/PuGh+UkfksCHb75Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:20.817638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073329
observed ec694f00420a46f8784a94750c85463d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.797942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073329/manifest.json
observed 38cfd7c0357ac0c009ba163f5631932b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.777940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073329/publication.md
observed 5ca3679eac38e1d13c1b6f65eeb82029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.759356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073329/publication.txt
observed a4ff7dd5bea92f10e041df4e4348af6c...
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.