OpenTechnical

OT-2026-000100809

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000100809) never changes.

Identity and time

Publication numberOT-2026-000100809 · never reused
Internal UUID01a0aea3-66f5-72d7-836d-54a62fefadf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100809
StatusPUBLIC

Content hashes

Canonical textbe3fc49348dfccfe710f7ba99973f0e13680b3b542436f55ba3f5625fd50061a
Markdownad76ec77cf77f431d8ca6c915f7b8f3a7afd0786d8ebf1031e58609d47611b82
PDF
Publication page10151e6b66603bad79e220ee2397d3e8937f1ac05018791d8418092cf1cc2b54
Manifestef6eafccb38897342bbcf2159a13f4bc98c197cdb73acb238c019a1c7d0b04b6

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
SignatureIjxK/7+vtR/7rlFdmj3rdbqw/Xwxu841wu2Ks54Ly8cPYXmYNwsTpM+4gL3FeUiBnW/HpQp/EvhsDSc2QajGDA==
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

2026-09-17T09:27:43.543412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100809
observed 10151e6b66603bad79e220ee2397d3e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.525320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100809/manifest.json
observed ef6eafccb38897342bbcf2159a13f4bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.506582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100809/publication.md
observed ad76ec77cf77f431d8ca6c915f7b8f3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.488480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100809/publication.txt
observed be3fc49348dfccfe710f7ba99973f0e1...
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.