OpenTechnical

OT-2026-000077429

Publication integrity record

Foam pad 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-2026-000077429) never changes.

Identity and time

Publication numberOT-2026-000077429 · never reused
Internal UUID01a0ae94-f509-7cf4-87c9-7db09335fce8 · 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-2026-000077429
StatusPUBLIC

Content hashes

Canonical text9b4d64301a4062495e0fdb1fa83e22abdbe779985304ec5fcbcc902d4d6a4e7b
Markdownbcd72a27e3d3dad88feb6f9a70536223cd8d2f21631fc62ae00bf713bee76f34
PDF
Publication pagefbc6717a18e715d11b1400d81b3d84fd45ab383c7ea183c490f679161cd124de
Manifestfa7fe179e7f77f107cd3d8c97efc9bcf9b00891631d7c9d2c72ff6d5800daf49

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
SignaturejXrQaFOXE3YgNkJqHl+P+OH5TrGGpyjGfGtnDnuv2AZtvvUQGMcSx74Oyu729P0Way24/7K/2rYo4qgydNInBQ==
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

2026-09-17T10:09:06.685942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077429
observed fbc6717a18e715d11b1400d81b3d84fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:06.665570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077429/manifest.json
observed fa7fe179e7f77f107cd3d8c97efc9bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:06.643936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077429/publication.md
observed bcd72a27e3d3dad88feb6f9a70536223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:06.606666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077429/publication.txt
observed 9b4d64301a4062495e0fdb1fa83e22ab...
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.