OpenTechnical

OT-2026-000095108

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum 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-2026-000095108) never changes.

Identity and time

Publication numberOT-2026-000095108 · never reused
Internal UUID01a0ae9f-2df1-7d63-88a5-ee5f080f9678 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095108
StatusPUBLIC

Content hashes

Canonical text2072c48124e450b54eb89d448812dcaacbd4f83e26d2299af459789d5e8b649f
Markdownefe98b4fb3b35d57545661c15432210256f9b1bfc05fbd52c78cb1a0019653bc
PDF
Publication page0b6516b677d521ab95c71f86f0bfb099f146384cf9db9fdfaa5b6e5e2aa9de13
Manifest8ba51e2bdd0bc92a1fb79929d5cbd0b1beff59b1b1d892901a87b321c4e79e51

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
Signature4MUmPGm4ucxhw2govjW89VH80Qf2Q4tI7OR+GrbN5wZiBwx14CRqcf1jJxuBFE22TjzNFE/QSU6Mkq6oqujJBg==
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

2026-09-17T09:37:43.199731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095108
observed 0b6516b677d521ab95c71f86f0bfb099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:43.183444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095108/manifest.json
observed 8ba51e2bdd0bc92a1fb79929d5cbd0b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:43.165949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095108/publication.md
observed efe98b4fb3b35d57545661c154322102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:43.149305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095108/publication.txt
observed 2072c48124e450b54eb89d448812dcaa...
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.