OpenTechnical

OT-2026-000086449

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000086449) never changes.

Identity and time

Publication numberOT-2026-000086449 · never reused
Internal UUID01a0ae9a-2c97-7d9d-a09f-ec788011c386 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086449
StatusPUBLIC

Content hashes

Canonical text98bd5bf4f3950b793880f52d2e530c746436d69131f1db97a082dfcc7ef0f2f5
Markdown22236f3fee914673adf2c10f462ecb0ac936f9fdad5a8c223fb6ac00e7111d8d
PDF
Publication page9dbbc32cad7cefd3bc179fda8649bc83848bdc2d2ed383d8fc920f858d3b1912
Manifest23994a61abddb6446c3b73ae5be8665bf8e7ae9d2b9b13323f9f92cb91f99206

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
SignatureLgZNqVKLSoaxrmfKZLat4ex4nEElJSsTbXyW04pb5al5t/4cSK6c6KIUwR+glKjxEHt6GkHXvaF1jdQqZhVxCA==
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

2026-09-17T09:52:15.064285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086449
observed 9dbbc32cad7cefd3bc179fda8649bc83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.046769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086449/manifest.json
observed 23994a61abddb6446c3b73ae5be8665b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.028908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086449/publication.md
observed 22236f3fee914673adf2c10f462ecb0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:15.009339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086449/publication.txt
observed 98bd5bf4f3950b793880f52d2e530c74...
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.