OpenTechnical

OT-2026-000033123

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, 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-2026-000033123) never changes.

Identity and time

Publication numberOT-2026-000033123 · never reused
Internal UUID01a0ae75-4844-770b-8252-3da2a767fd9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033123
StatusPUBLIC

Content hashes

Canonical text3e12e94707da8733c68b1a79389b39ca57c0581e26817ee3812cc151909f4a5f
Markdownfefa151099b5aaa0fc0cbba3c07cc51b5d65cb48b3130bc2251c230ecce38e6c
PDF
Publication page77e4ff04a6552f534ffef1060a5c2f37ff0b5750d0e2d37bed552432365d6ec5
Manifest99930da0866ce1d70670e942620e35854d6937b5eb044d343b1dfa3bf3c413de

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
Signaturecuy4FppeGhOq7Dr5oJN0P2lQxZFN8OGaHcqARSrGXt3m+tWIwDYa9s1R6XllpQQU4PeLEYZ2bm/Pnm8tf2xRDw==
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

2026-09-17T11:32:47.970748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033123
observed 77e4ff04a6552f534ffef1060a5c2f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:47.952936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033123/manifest.json
observed 99930da0866ce1d70670e942620e3585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:47.934630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033123/publication.md
observed fefa151099b5aaa0fc0cbba3c07cc51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:47.915694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033123/publication.txt
observed 3e12e94707da8733c68b1a79389b39ca...
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.