OpenTechnical

OT-2026-000098231

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000098231) never changes.

Identity and time

Publication numberOT-2026-000098231 · never reused
Internal UUID01a0aea1-e964-762b-9945-c02c4249b542 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098231
StatusPUBLIC

Content hashes

Canonical text3f8335baaecd85b4168a97e420b5bc3a5ba02ed940cd940cee8fac022fc9e21c
Markdown79571d9793e7d5fb51408899efdd3b569a460d549cde895041e5e44b4384fe30
PDF
Publication page0715a8c9f271bee2c8453b9c34d312d0db5454f326780b4e53aa300faa5865fd
Manifest351cf2d92f3525b1417f11b7fe8faa66b77b408f70d22dad8a7ac23229d50aee

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
Signatureo0Y8Fp7ujnVCIbskDpibXh2dmf6msTVRH9E5UMAKue04sGbi7xYASAf4SxEF8EgyyViDPLaOsbL8c6VOmvSGBQ==
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

2026-09-17T09:31:24.727471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098231
observed 0715a8c9f271bee2c8453b9c34d312d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:24.710018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098231/manifest.json
observed 351cf2d92f3525b1417f11b7fe8faa66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:24.689463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098231/publication.md
observed 79571d9793e7d5fb51408899efdd3b56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:24.672002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098231/publication.txt
observed 3f8335baaecd85b4168a97e420b5bc3a...
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.