OpenTechnical

OT-2026-000012950

Publication integrity record

Foam pad 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-2026-000012950) never changes.

Identity and time

Publication numberOT-2026-000012950 · never reused
Internal UUID01a0ae6d-5564-7b06-b841-2843087f01d9 · 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-2026-000012950
StatusPUBLIC

Content hashes

Canonical textf7e1f83ec01beb24923f280d48b64a86edb3053861f7e6b6607d83eb90e62389
Markdown3e235e4510ce7134821dbbb7ebb6911d5047ca77a135ae56edd1f907eb341baa
PDF
Publication pageafa4707dc19ec7dd5983d621d50576c3b44bf1c7a90895fcbcf50daa2473b784
Manifestca4cd97773fb9104b3d9c9c82f2986ab2a1d16eb5740534db129fe39cd070974

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
SignatureBQiggPtOZmIWWAMRyvXnOum24wKS3hgkPz7uw3LCuH0roQWG17ryG9Nv4vCNmPXhky7zfREuy2yuIHlyR1igAQ==
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

2026-09-17T12:10:45.402595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012950
observed afa4707dc19ec7dd5983d621d50576c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.382814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012950/manifest.json
observed ca4cd97773fb9104b3d9c9c82f2986ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.365130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012950/publication.md
observed 3e235e4510ce7134821dbbb7ebb6911d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.343254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012950/publication.txt
observed f7e1f83ec01beb24923f280d48b64a86...
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.