OpenTechnical

OT-2026-000101237

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000101237) never changes.

Identity and time

Publication numberOT-2026-000101237 · never reused
Internal UUID01a0aea3-c379-7c12-a41b-584c13f88d4e · 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-2026-000101237
StatusPUBLIC

Content hashes

Canonical textbc97e3111ef1d46c3dbf437d85a9ffeec72815bcdd4e30801fb78df07d5b3e7e
Markdown76e9cfdb5e915f2c3d063442007c7033805d0860fe9acc9ce57082937df386a8
PDF
Publication page7f4a94f8f6492a4cbf1a92faddae4ef396199ec215faa63a9966c03d882c1236
Manifest0110bd10aa184daa272f8469effa437e13b2c8f49a400ca179281b421703ee4c

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
SignatureR43Ui5eieDsyuaOFoDVXZ76IjwePcluVetMM91N+ZMBOlxh8MtuHU3S6RJHaCILgukQK/4vxBDMTPBwtnWQeBw==
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

2026-09-17T09:26:53.829951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101237
observed 7f4a94f8f6492a4cbf1a92faddae4ef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:53.811001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101237/manifest.json
observed 0110bd10aa184daa272f8469effa437e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:53.792771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101237/publication.md
observed 76e9cfdb5e915f2c3d063442007c7033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:53.774909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101237/publication.txt
observed bc97e3111ef1d46c3dbf437d85a9ffee...
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.