OpenTechnical

OT-2026-000076071

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000076071) never changes.

Identity and time

Publication numberOT-2026-000076071 · never reused
Internal UUID01a0ae94-6a6e-77a1-8400-54db75ed21aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076071
StatusPUBLIC

Content hashes

Canonical text13e37999f7822d571006c7f386838372374aee28e5565ccfd6971c204b126b87
Markdownf7362e42db6bef5e62bf8cd3a0afe2866ead4089df963a9710a581d82bb18a41
PDF
Publication page70049278908164e521104538b756be1ba677650d005e3e4fd5c90b63cb4d4f8a
Manifestccad257fc6bb22419c88c07d4105271c8ac4ed077b46d580f1c0ffb34dcb00c6

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
SignatureLyfHo7i2WjDtUbsLh22qsCSUX4ycTelrKHT3L34b4a3dYq2PefiHyujVHpFoev/Y7Ne1vt6WT/OZDpgLjaYEAQ==
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

2026-09-17T10:10:29.491604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076071
observed 70049278908164e521104538b756be1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:29.469623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076071/manifest.json
observed ccad257fc6bb22419c88c07d4105271c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:28.530496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076071/publication.md
observed f7362e42db6bef5e62bf8cd3a0afe286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:28.228301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076071/publication.txt
observed 13e37999f7822d571006c7f386838372...
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.