OpenTechnical

OT-2026-000099787

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, sustained 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-2026-000099787) never changes.

Identity and time

Publication numberOT-2026-000099787 · never reused
Internal UUID01a0aea2-c978-7442-8d83-d092ec04636d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099787
StatusPUBLIC

Content hashes

Canonical text7a5f7029cf9cb5bc80064844f80b856cdf59b6ad179558b1eb9e976e99d70531
Markdown5f090360ea7bb369f1eb2d54385d7f1aa740954341d659c107324609286c21ff
PDF
Publication page2350fcf6c44d1963ab796c472be58d390b46327c36317b2afbee6fb372628e0f
Manifestb8d67987b7a220a8fa7c15cdacf399f0a517b7c289360454dab13a953e7cc096

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
SignaturejzGLc1K4WB/5MsBg+4Y4Fh6MTnTVy1JR5EuV1grh1hewTtikH9t1LaJzxcX2/4c6PP4lOHsU9DUPD6RmFLYVBA==
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

2026-09-17T09:29:49.509784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099787
observed 2350fcf6c44d1963ab796c472be58d39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.492079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099787/manifest.json
observed b8d67987b7a220a8fa7c15cdacf399f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.474913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099787/publication.md
observed 5f090360ea7bb369f1eb2d54385d7f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.457386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099787/publication.txt
observed 7a5f7029cf9cb5bc80064844f80b856c...
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.