OpenTechnical

OT-2026-000082203

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000082203) never changes.

Identity and time

Publication numberOT-2026-000082203 · never reused
Internal UUID01a0ae97-4d94-756a-958f-03bd3b0a0923 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082203
StatusPUBLIC

Content hashes

Canonical textde1fa01ad06a8d71669f65e93b9c9554c0c41fb7312802b6746a334843d37422
Markdownb92845c040d9a387043822a278b6b62f65a1853af60777fdae63bb1618dd269e
PDF
Publication page36c9e43389acc8d9564ae4fc47c5ea1e71ee8b0cfef442d79522da076bade9a9
Manifesta244e964ff63a0f3c8c45b41b77122e5ca4ef80223de34033a0ce1e7894584dd

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
SignaturepMFKiGZv7R5tKJeJ4YctJT64tiFfW/n6VojUX3WYAXXP3Rqn1qLLTG2AVD7pGt4RK9lm77gPkWaBE8Rd1sExBw==
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

2026-09-17T09:59:02.202253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082203
observed 36c9e43389acc8d9564ae4fc47c5ea1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:02.185606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082203/manifest.json
observed a244e964ff63a0f3c8c45b41b77122e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:02.167825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082203/publication.md
observed b92845c040d9a387043822a278b6b62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:02.147253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082203/publication.txt
observed de1fa01ad06a8d71669f65e93b9c9554...
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.