OpenTechnical

OT-2026-000068285

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000068285) never changes.

Identity and time

Publication numberOT-2026-000068285 · never reused
Internal UUID01a0ae90-2480-7585-946b-98c065dd7816 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068285
StatusPUBLIC

Content hashes

Canonical textfb85e8cdb80d5050a8f4c04267146932093de5e373a1b3f528aac9aa49e949ed
Markdown176acbdd59bd830dfdd33a96ea1ba14c79c662035e224f5d4328b0d461179ca8
PDF
Publication pagefcca4aae26a218db0239e7782c2fa6229fa53e0e7e83dc44a4ea614c45adf363
Manifestcc99c05eddaaab0ba02b53938308742ae4e0a11615b62d4fc5f43ba68e71bbaf

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
Signaturec6Eu2AKj5mHW6BfnKkp9yPbsbxzlL3kNIfGEO4Q/xp+ep3FndqfQ0hTlQChb6ljdl000LIeVyLXntFYDnOZFDw==
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

2026-09-17T10:29:19.060329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068285
observed fcca4aae26a218db0239e7782c2fa622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.043475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068285/manifest.json
observed cc99c05eddaaab0ba02b53938308742a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.025940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068285/publication.md
observed 176acbdd59bd830dfdd33a96ea1ba14c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.008516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068285/publication.txt
observed fb85e8cdb80d5050a8f4c04267146932...
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.