OpenTechnical

OT-2026-000089769

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000089769) never changes.

Identity and time

Publication numberOT-2026-000089769 · never reused
Internal UUID01a0ae9c-1a22-7f59-9733-c2e20a2ed037 · 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-2026-000089769
StatusPUBLIC

Content hashes

Canonical text451e83e57a62bf2f26a42d4b9d90d870eea0a1045145d07c56e5a9cf9a9a930c
Markdown7be3a8ceb8dbf9691dbacdaf60d67a45e74a6e6722a9f258d904db5595fadc99
PDF
Publication pagea7591042627c915f12babf1b88aafed5aa7661a2e05948ed202d9c232094de2b
Manifest4f60f746a2fee0f495289fba71ca309bc2d054663b36783ac1da5050a20a9046

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
SignatureyPHPrvs1s+trMud0RfHS52GmEaxl9LC12z/G19++DYAGswD/l5t7ezABtkX4zOTh9Q82ygCHd8jY/uNjGb5nDQ==
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

2026-09-17T09:46:24.983562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089769
observed a7591042627c915f12babf1b88aafed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.966078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089769/manifest.json
observed 4f60f746a2fee0f495289fba71ca309b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.949202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089769/publication.md
observed 7be3a8ceb8dbf9691dbacdaf60d67a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.927610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089769/publication.txt
observed 451e83e57a62bf2f26a42d4b9d90d870...
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.