OpenTechnical

OT-2026-000077413

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000077413) never changes.

Identity and time

Publication numberOT-2026-000077413 · never reused
Internal UUID01a0ae94-f509-7aa6-9f87-37fde484f928 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077413
StatusPUBLIC

Content hashes

Canonical textdcec023462bc090c55248d6099776169c5e8dad0266c5746ea87bd71995c210f
Markdown96e5eae5cfd6299ce25688b6dba8fe2e53fefda853910639280fc75775b34546
PDF
Publication paged34b10a5fe605b594bab4df03cf7cdc88d222459c46dcfaa76417fe1357e954a
Manifest19c891cd8d293607f5bb617c396f36a2d22fb56856f7a81b34d4779d1cadca53

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
SignatureHDQGacaRmYM4UPP6aSxPv2IRQ8w4JvLVAvlLay87GIm0oAWZFc8RWvip5H18+LHDWWr5RLeF3lB67ksNbu50Ag==
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

2026-09-17T10:09:03.763772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077413
observed d34b10a5fe605b594bab4df03cf7cdc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.745018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077413/manifest.json
observed 19c891cd8d293607f5bb617c396f36a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.726102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077413/publication.md
observed 96e5eae5cfd6299ce25688b6dba8fe2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.708227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077413/publication.txt
observed dcec023462bc090c55248d6099776169...
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.