OpenTechnical

OT-2026-000089709

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089709) never changes.

Identity and time

Publication numberOT-2026-000089709 · never reused
Internal UUID01a0ae9c-1a22-7773-899a-a49345d0f65d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089709
StatusPUBLIC

Content hashes

Canonical text909659685ba8aa5d5742a701f3afeb9b51e9541945c780402c1b3db8a225c321
Markdown0d753805d3c325577f59a09bb8837d30fcf8579efb2e19a069ad3445d3d1c923
PDF
Publication page398b3ea26f8fa399ffcc7eca0cb2455d03bf6071fb6b18ba0007bac0ce0482cd
Manifest27f0929038be2ba4efbed9826852d0ad0dfb74b7b075e3b58a0680bdde517d37

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
SignatureuoCvoEfC2jQ2LWS/r7t3X7IEgasKnvb5JdX+U4tQtMu/kavT1mz8dIpGqXlh5ADdAIRZeLZVJzdOwk/8z4NmAA==
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

2026-09-17T09:46:42.676162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089709
observed 398b3ea26f8fa399ffcc7eca0cb2455d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.659917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089709/manifest.json
observed 27f0929038be2ba4efbed9826852d0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.641542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089709/publication.md
observed 0d753805d3c325577f59a09bb8837d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.624354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089709/publication.txt
observed 909659685ba8aa5d5742a701f3afeb9b...
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.