OpenTechnical

OT-2026-000023972

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000023972) never changes.

Identity and time

Publication numberOT-2026-000023972 · never reused
Internal UUID01a0ae70-aed7-758f-a0fd-8cd7e14e3912 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023972
StatusPUBLIC

Content hashes

Canonical texta5a13a3078c8357c6cd5800a3ab61d900dd34fe16fd005a277ef0b41e479cc70
Markdown8a0fcd05fd04a90c97268e8759393b1692396eb5fecdd3acf77dc3c35a539556
PDF
Publication page66cd1035c78e9425b0302bb957149ad5bbd11a18fe28ddf236b048a007628748
Manifest048486c58e47196a4daf44b2d13160f69f18e2857d05e5fe87d47e24f5c3e1de

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
SignatureGLW0hRUQWDWj+ljh0kh3WE45zfejY1rS0FGOPwbdr5krT+2AaKBcMtF146DGm+uIFqU8I41u1s/Gj3WDKMEOCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:44.115824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023972
observed 66cd1035c78e9425b0302bb957149ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.096378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023972/manifest.json
observed 048486c58e47196a4daf44b2d13160f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.079220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023972/publication.md
observed 8a0fcd05fd04a90c97268e8759393b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.061781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023972/publication.txt
observed a5a13a3078c8357c6cd5800a3ab61d90...
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.