OpenTechnical

OT-2026-000068725

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000068725) never changes.

Identity and time

Publication numberOT-2026-000068725 · never reused
Internal UUID01a0ae90-6dca-7572-ac98-275cbb6d7402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068725
StatusPUBLIC

Content hashes

Canonical text56b0588481a6383366a00253c42ae047ba74b1d1119cc3643ceb55d41169e93f
Markdown1b72df70bdcc40dd8de6e8bd94c557011e2628fcb1f2c31e312c3be4992388af
PDF
Publication pageda2283038261f2008ce65ba2230269300fbfa994609703910af6abaf820d1eec
Manifestf12aceb201ce267b78ec1deb2ad94441924c2981a73bccc0a4ab925422a4b67f

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
SignaturebDbcnp6alE47BiCq8ZxNXeMZMlqhlQd4SfNMFsoeKXvlDvlnrslcQEEsqR8QKeedoac5J8RXRrC356jOjzsZCA==
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

2026-09-17T10:28:29.973491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068725
observed da2283038261f2008ce65ba223026930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.955798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068725/manifest.json
observed f12aceb201ce267b78ec1deb2ad94441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.938132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068725/publication.md
observed 1b72df70bdcc40dd8de6e8bd94c55701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.920587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068725/publication.txt
observed 56b0588481a6383366a00253c42ae047...
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.