OpenTechnical

OT-2026-000008745

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, pulsed blow-off after 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-2026-000008745) never changes.

Identity and time

Publication numberOT-2026-000008745 · never reused
Internal UUID01a0ae6a-e46c-7548-9795-32395b56eba0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008745
StatusPUBLIC

Content hashes

Canonical textd78f9c0ba30d9d44315aa89724c140dac789a387fa7d2128b98fdcac47a4f52e
Markdowncf4b240fab7bba6500ddb00fc5ed9869cc1bfdbc5107b484bc7c6d92a3de5a32
PDF
Publication pagea7580a4517008b003fac3017585192763efe92e2a568f94b434f45562d7d78dc
Manifest31fd3c511897742a20360f4b8df8d460ab88386096a3219c2292b14b597f9493

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
SignatureVRlighsSIRX7ILINi1JallrxyM90g9RqIKdNWYNeO1ADev902X4E3nYF9RDxXTXyQn7ZMZCxuvpeiFbjx1WzCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:50.356087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008745
observed a7580a4517008b003fac301758519276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:50.336629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008745/manifest.json
observed 31fd3c511897742a20360f4b8df8d460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:50.317355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008745/publication.md
observed cf4b240fab7bba6500ddb00fc5ed9869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:50.297855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008745/publication.txt
observed d78f9c0ba30d9d44315aa89724c140da...
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.