OpenTechnical

OT-2026-000079101

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000079101) never changes.

Identity and time

Publication numberOT-2026-000079101 · never reused
Internal UUID01a0ae95-ccbf-703c-a967-e71557a7b5d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079101
StatusPUBLIC

Content hashes

Canonical text2fbafc6b6c629ae10cb7e8dacc00359de3dddbdd7cfb26f4959766010752c6a4
Markdown01d81b70ca178a063df07a3ec7787c487e82d45e158b0a3bcc0b883ade3d47a1
PDF
Publication page4a1a7d5888ae9feef6815c4f63d98459bbf5fcecfe6e5408cf774d7596363b6f
Manifest2b456380563b3d83d6271c0312f5f419aed05dbee370ec3b319268bafa2ec763

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
SignatureZ8nQ0Sr0P7HhTyAg2DI8u9nO+zbI0wJOgtv0ZTl9FDElLkegd47BRt++BeUcXp0IBtma3Vo2Jby6awG4U7kQCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:56.854483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079101
observed 4a1a7d5888ae9feef6815c4f63d98459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.837644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079101/manifest.json
observed 2b456380563b3d83d6271c0312f5f419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.820185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079101/publication.md
observed 01d81b70ca178a063df07a3ec7787c48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:56.802169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079101/publication.txt
observed 2fbafc6b6c629ae10cb7e8dacc00359d...
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.