OpenTechnical

OT-2026-000091416

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091416) never changes.

Identity and time

Publication numberOT-2026-000091416 · never reused
Internal UUID01a0ae9c-f16d-7ee7-b644-739d6cea5653 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091416
StatusPUBLIC

Content hashes

Canonical text8ae2b82676315e94b821e16322f3ae27f1b37df0b1ae47bee6de2e7489c85084
Markdowna0f0b30c4ff6e0b7b7342310175501d93098d7977af9afa12f0ca20373a44527
PDF
Publication page6740e6db5a7b77bbaf25d3143d26c7f436b7f39abaca58d81e9446ef3ad47740
Manifest43f526371c75a4e3dd4c1822c7f989766b8306aa85ab3f3c4c969671ca1ee39a

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
Signature+S5rqQ4QaYNAtoqKbTXnnF06DpEa9Hs+tc09veiaCUcshxy8L2VQTi54VX0xuZfFdFSrI0QonXjuPw/f8+TJDw==
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

2026-09-17T09:43:39.086100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091416
observed 6740e6db5a7b77bbaf25d3143d26c7f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.067798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091416/manifest.json
observed 43f526371c75a4e3dd4c1822c7f98976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.050081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091416/publication.md
observed a0f0b30c4ff6e0b7b7342310175501d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.034644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091416/publication.txt
observed 8ae2b82676315e94b821e16322f3ae27...
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.