OpenTechnical

OT-2026-000006481

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, pump fed, pulsed blow off after set down

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-2026-000006481) never changes.

Identity and time

Publication numberOT-2026-000006481 · never reused
Internal UUID01a0a95c-c181-7e31-8cb3-3d8eaf55b2c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:37:03.492596Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006481
StatusPUBLIC

Content hashes

Canonical textf4eea478a8a087503b19a88ee080d9521e4c26d835a49d6c5970b1092ec4dda7
Markdown1c962395a614dc1c4c0c768674c445dbe3b4f9a6c090f06f723e800d998db4d0
PDF
Publication page4cefe61b18e9b2f88f76829126586dd685e72c571b04357ed5ae5a33726445db
Manifest20109f20f9e1d56f2c4151b9c6cf2fb2146b15393a411f4fc45538253aa43b67

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
SignatureoMnh3VOdRNimc5TGsZWRPgLmKNxqjKokto1USzfL5QerGKp5GK3tF4+LayBW84DCGnPdYitY5AqR7rYgSiZSBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:12.671129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006481
observed 4cefe61b18e9b2f88f76829126586dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:12.657248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006481/manifest.json
observed 20109f20f9e1d56f2c4151b9c6cf2fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:12.641644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006481/publication.md
observed 1c962395a614dc1c4c0c768674c445db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:12.626316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006481/publication.txt
observed f4eea478a8a087503b19a88ee080d952...
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.