OpenTechnical

OT-2026-000005802

Publication integrity record

Bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, contact triggered

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-2026-000005802) never changes.

Identity and time

Publication numberOT-2026-000005802 · never reused
Internal UUID01a0a945-5bd0-7148-8295-98603b502313 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:11:30.131611Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005802
StatusPUBLIC

Content hashes

Canonical text773fe1fe18fbe3e144fce5acc5fd44b039d3d63fb3c4bf24b5a7270c5881d1c1
Markdownd2db9e3004a323ddd8417265ad96069f60fe5462813667b6638925f026fdf65f
PDF
Publication pagee888a7c116e69833d3eb7ddfb0b2c602220ea1ffae0ffeafa83f1a163e100bf0
Manifesteaef72ced78dfc81e0deb18e5626259b9a7c08061762d0ccc22a82486e008084

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
Signature8N+zxSTAezJaKxiBKSVFibvE6KvalISZP/t8GLZUmHWBK5+g4mMjQBL/1U/R+x7ziKFVqKS5c6VVFOlu3LOwCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:31.122973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005802
observed e888a7c116e69833d3eb7ddfb0b2c602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:30.984014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005802/manifest.json
observed eaef72ced78dfc81e0deb18e5626259b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:30.969463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005802/publication.md
observed d2db9e3004a323ddd8417265ad96069f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:30.954163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005802/publication.txt
observed 773fe1fe18fbe3e144fce5acc5fd44b0...
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.