OpenTechnical

OT-2026-000099320

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000099320) never changes.

Identity and time

Publication numberOT-2026-000099320 · never reused
Internal UUID01a0aea2-8289-7213-8fca-9c5b67c56510 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099320
StatusPUBLIC

Content hashes

Canonical text7bc7569ea206eba2c3357104bd17da2fff1c379c4201496ab38b9254dd7261e0
Markdown9fd458156c85aa3cff9a89ce76576d0d45570fd88c63f1037b003ccf97e5b425
PDF
Publication page5a010f757d9167b26fa8ee1258de6481248a25c2458cb3616cb4396b4eae3ba8
Manifest3b238e0eb298d94d059168e6c87bf13a14c076d16816429003f27f4c4d012d78

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
Signature5TG/groulb7d3LTl4Xoz0+uVt1itZDHnHduH88GZFBNmDfdC/uqe8MKck2vWFnxB5mMlcS3VeycZ5Oh/HS5aDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:47.294905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099320
observed 5a010f757d9167b26fa8ee1258de6481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:47.276347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099320/manifest.json
observed 3b238e0eb298d94d059168e6c87bf13a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:47.258428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099320/publication.md
observed 9fd458156c85aa3cff9a89ce76576d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:47.240950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099320/publication.txt
observed 7bc7569ea206eba2c3357104bd17da2f...
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.