OpenTechnical

OT-2026-000099144

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000099144) never changes.

Identity and time

Publication numberOT-2026-000099144 · never reused
Internal UUID01a0aea2-8288-7c69-a75e-735671faeab9 · 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-2026-000099144
StatusPUBLIC

Content hashes

Canonical text19c6388be8e0aa447683f39e144dd2419aad35c57cee0a5540e9043e2c99fc08
Markdown2d7be132920ebefb2956ef5beb38c0797e55ca600a9b38a667d9b2522061f54a
PDF
Publication page7c745f9f1c85505dc632cc65f0faceb8f52a60d27554e9d0aa9d92fa49f84c02
Manifestf4181a303fd5e50bbebe0dc833ffb9504127c7802a6d3b4bdef560259d372a96

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
Signature74sBV1dY4QRDo3Lvc0Ps8MRjs2o8kc1ROpuxY8H2zqCn8mrJXkPRJUn0W/LS8GfW1fusedBSIQwr5aj1+uGDBg==
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

2026-09-17T09:30:31.012986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099144
observed 7c745f9f1c85505dc632cc65f0faceb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.994827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099144/manifest.json
observed f4181a303fd5e50bbebe0dc833ffb950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.976468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099144/publication.md
observed 2d7be132920ebefb2956ef5beb38c079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.957909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099144/publication.txt
observed 19c6388be8e0aa447683f39e144dd241...
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.