OpenTechnical

OT-2026-000098556

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000098556) never changes.

Identity and time

Publication numberOT-2026-000098556 · never reused
Internal UUID01a0aea2-42ab-7a6e-a844-647b78509f82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098556
StatusPUBLIC

Content hashes

Canonical texte912f3b34eb89f410b340af89b4ef9a27f772393b04a405bbc6945bd28b5d4ef
Markdown03caff0ccebecb2a24d30109e09d9b282af64fdac98216aa0ee51ca7ce84067b
PDF
Publication page807186da5019822d8b55d1d29fffd41feaaf597cf030be87eac833b90a24e720
Manifest799667c8daa5616e275f38a47bf989e9a4d12a672956e323e6bf317db87309ed

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
SignatureX2NuB7n+jNmv8DBOE3gZuyn4aJgf+rhX/p0LpvhZzuoUy2CaSX/OtQ1LqRKLBIipGVUZte5Uwd4qRfmQ3gKEBg==
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

2026-09-17T09:30:49.105904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098556
observed 807186da5019822d8b55d1d29fffd41f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:49.088515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098556/manifest.json
observed 799667c8daa5616e275f38a47bf989e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:49.070027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098556/publication.md
observed 03caff0ccebecb2a24d30109e09d9b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:49.050824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098556/publication.txt
observed e912f3b34eb89f410b340af89b4ef9a2...
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.