OpenTechnical

OT-2026-000101184

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000101184) never changes.

Identity and time

Publication numberOT-2026-000101184 · never reused
Internal UUID01a0aea3-c378-77e2-9d28-5a9f41b81df0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101184
StatusPUBLIC

Content hashes

Canonical text56287b46c7e4f3a709047b10cdfc56694a0c5c9a84fd98214d061f0ec193adaa
Markdowndf4e3b7839e7faf5c08b91cb63f12c9d3e0293261d4653be9588e946e5ad084f
PDF
Publication page47c6360282a4f2678c6ceca5582fb16124658b7ebf21c4c621f58c75ba4f03de
Manifest70f55d3eedbb18ce7e5c831971a003ffa77794948a36ce46480b12fd7ec36b82

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
Signature3NWoAinnjaouOmNtN3xCEukFocaKAZoHKKei3rPGyvUHgMuN2OqDDwyM9kw/SQuMsVHJdQ9elfLUA6nu1ijVCg==
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

2026-09-17T09:26:49.825770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101184
observed 47c6360282a4f2678c6ceca5582fb161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.808036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101184/manifest.json
observed 70f55d3eedbb18ce7e5c831971a003ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.789884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101184/publication.md
observed df4e3b7839e7faf5c08b91cb63f12c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.772563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101184/publication.txt
observed 56287b46c7e4f3a709047b10cdfc5669...
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.