OpenTechnical

OT-2026-000088310

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000088310) never changes.

Identity and time

Publication numberOT-2026-000088310 · never reused
Internal UUID01a0ae9b-5d27-77dd-83ab-bca9d485fcc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088310
StatusPUBLIC

Content hashes

Canonical text96df8e3812134afc22ceb281e2cf3ea4a205d437a40ce6f68cbd10ab89993796
Markdownfbc59b88fec4696138e97b591b467031e4aef6f50280f817f7547ab5b975a33b
PDF
Publication pageee8d5a1322e5974fc29ac0f5af87df31d34553d53db99c21f62bfb27c8dfdd62
Manifest813c7fd691b77288651d14f31c1e00283803a7ac4177002857a08ae70eedd8f0

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
Signature7lY+PKYufUtHrmvPasZXx+fvpFQHcwka8I+hhhmzP+7W4brNEYA0tPUqjP6Vd983yEW1SD7n+7otZZkq2d8oDg==
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

2026-09-17T09:48:38.857049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088310
observed ee8d5a1322e5974fc29ac0f5af87df31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.838448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088310/manifest.json
observed 813c7fd691b77288651d14f31c1e0028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.818966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088310/publication.md
observed fbc59b88fec4696138e97b591b467031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.801608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088310/publication.txt
observed 96df8e3812134afc22ceb281e2cf3ea4...
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.