OpenTechnical

OT-2026-000097712

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000097712) never changes.

Identity and time

Publication numberOT-2026-000097712 · never reused
Internal UUID01a0aea1-92f5-70c1-8340-2395a2a3758a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097712
StatusPUBLIC

Content hashes

Canonical text94b0bde99cde8618d149bc20ba70bc1d32b542ac68935258633cd0045c533c4f
Markdown9c43af8978680032e6fff7d16a74dc818b24c9b3aa0ddf3e8a45d76e7a3f2ee5
PDF
Publication page4ed784f61ba2c6be4edc75adffd1328a9ff5479dcc9a0aefe906de7e21dcb454
Manifest406b954776364e17f78c8772b8c8d0a38f0828467901d6bad37ed865aaad719b

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
SignaturefqwtRbgPMzh/2u3szNpVgZM4Wtg72b67I0t/N00bhsOVSGeNt+MKV1wZgUtGE5AtUUtrn5xxLTEQg8TYGtfjBw==
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

2026-09-17T09:32:44.462027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097712
observed 4ed784f61ba2c6be4edc75adffd1328a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.443302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097712/manifest.json
observed 406b954776364e17f78c8772b8c8d0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.426837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097712/publication.md
observed 9c43af8978680032e6fff7d16a74dc81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:44.410370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097712/publication.txt
observed 94b0bde99cde8618d149bc20ba70bc1d...
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.