OpenTechnical

OT-2026-000092187

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, supply line 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-2026-000092187) never changes.

Identity and time

Publication numberOT-2026-000092187 · never reused
Internal UUID01a0ae9d-875a-7981-bb85-81f5243c83d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092187
StatusPUBLIC

Content hashes

Canonical text77d4c7e42db922e6425f285981e2feb7c0d9eb98ea1647d2a7257c907f73fabf
Markdown3af1dfc8aafc018c329edc52d053873ace91f02a90c21b3e3e3a5c1024f06f4e
PDF
Publication page89c26efae76e976ea10007b922b460b3d5bd8d2a3b981a4fe864f0ad3042d927
Manifest35a831cfad2d164a4b8825335798f952295e79a77981e12b3d76ece83c47cb2c

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
Signature0fXQUduDNASSteXkz6JTaHyzdVnxkrkR4u/TnAQ3PAnbGxMfoNg6XM55W1PmE5eNnVdEkMKMz+kzSAj9thirCw==
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

2026-09-17T09:41:40.132995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092187
observed 89c26efae76e976ea10007b922b460b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.115785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092187/manifest.json
observed 35a831cfad2d164a4b8825335798f952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.098303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092187/publication.md
observed 3af1dfc8aafc018c329edc52d053873a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.081368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092187/publication.txt
observed 77d4c7e42db922e6425f285981e2feb7...
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.