OpenTechnical

OT-2026-000017277

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000017277) never changes.

Identity and time

Publication numberOT-2026-000017277 · never reused
Internal UUID01a0ae6e-76c8-77e2-93b1-34e8298cecbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017277
StatusPUBLIC

Content hashes

Canonical text931104ef02bbe78371c4edb6f460d2d9334cdaa950ed4a884ebf644bca7d2420
Markdownd23964947c8b866bf7810431632fc6573f9f84dd084175611aeaffda015d10e2
PDF
Publication pagec34070d7f9f83dd7e974180b1ff6cf521af4c5c420a44a17a167c40b514b4f59
Manifestf6c92bde719f1b33f11fe6d958799b3e89d207e558de32e943afaeed924da037

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
SignatureSVUNBKw8Pa7EOPRt+/cwA44cdCCHNZBKjsvtyjFus+Et4JSR36JcV1C+ltg57naD2awzf/K0ODuCQrE6Fz2XBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:22.344121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017277
observed c34070d7f9f83dd7e974180b1ff6cf52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:22.326450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017277/manifest.json
observed f6c92bde719f1b33f11fe6d958799b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:22.309804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017277/publication.md
observed d23964947c8b866bf7810431632fc657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:22.294188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017277/publication.txt
observed 931104ef02bbe78371c4edb6f460d2d9...
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.