OpenTechnical

OT-2026-000101072

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000101072) never changes.

Identity and time

Publication numberOT-2026-000101072 · never reused
Internal UUID01a0aea3-c377-72ac-b787-08c085fc9429 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101072
StatusPUBLIC

Content hashes

Canonical text2a08a55863e65a8b11510c0cbba02356490c32892b38acfe2625541b7cfba41c
Markdownfaa016a5b9317a1344a518c2d9ee751d21126fb6fcca9cf7d016575274832ef3
PDF
Publication pagebcce83156b8f5fec8ef4a339366477fc7aea1c86fa55bccfee2deed31e871150
Manifest2c2f45ff8f62901a6db9fd7824d2ed44877893f123eec8a536ce4f4bdf4e3837

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
Signatureg3Gf6L5wEkPBc5m29nZkC7bOdaYrAAi77ifxA+nNxaragoTjQbALsJCs2K/7cTKNUBwE+og5mQABZcGXIEVFBQ==
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

2026-09-17T09:26:41.311665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101072
observed bcce83156b8f5fec8ef4a339366477fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.293504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101072/manifest.json
observed 2c2f45ff8f62901a6db9fd7824d2ed44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.276123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101072/publication.md
observed faa016a5b9317a1344a518c2d9ee751d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:41.259715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101072/publication.txt
observed 2a08a55863e65a8b11510c0cbba02356...
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.