OpenTechnical

OT-2026-000094305

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000094305) never changes.

Identity and time

Publication numberOT-2026-000094305 · never reused
Internal UUID01a0ae9e-92cd-7065-9a1d-06f1f16bee0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094305
StatusPUBLIC

Content hashes

Canonical text41696151caaf77c43fb2d90e8799f83c54fc2a29a00e96576cad71606b533ae8
Markdownd735a68dc4ffa288d757fd693154c6e213af92ed966d1bbf00cd5f98b4402298
PDF
Publication page42bf3a0dbf2149fabfd90f14aa51fd11ba3d21223890eea042fad28603b38abd
Manifest41a58c8ba41bfd6feb57b046f98eb71c0c27d75fde80e4ded32f5263fb1c56da

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
SignaturePC0gsvGG7fq05OcGFQEL/Iv1LngfdT142U2qY+hrtJoIbw4Uznlwj3gjiZXztvPIe2qA5V1KanPHfHOHu2xfDw==
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

2026-09-17T09:40:10.838297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094305
observed 42bf3a0dbf2149fabfd90f14aa51fd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.819375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094305/manifest.json
observed 41a58c8ba41bfd6feb57b046f98eb71c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.800619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094305/publication.md
observed d735a68dc4ffa288d757fd693154c6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:10.781125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094305/publication.txt
observed 41696151caaf77c43fb2d90e8799f83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:17.511815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094305
observed 42bf3a0dbf2149fabfd90f14aa51fd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:17.494920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094305/manifest.json
observed 41a58c8ba41bfd6feb57b046f98eb71c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:17.478371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094305/publication.md
observed d735a68dc4ffa288d757fd693154c6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:17.460461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094305/publication.txt
observed 41696151caaf77c43fb2d90e8799f83c...
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.