OpenTechnical

OT-2026-000069389

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000069389) never changes.

Identity and time

Publication numberOT-2026-000069389 · never reused
Internal UUID01a0ae90-b529-79f5-bf67-276c1ed66aaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069389
StatusPUBLIC

Content hashes

Canonical text8bf6d39d6c25a2f0fbc53bcace82df2b35a33cf74036caac3eb75a7c747f1166
Markdown5bc3349e430725b0897f2bd8ddce872dba13d75d8c20fbd0a8ea0a0288b1acf2
PDF
Publication page1ee84897ef1ca22ff8189fe7acafb2111a1820c5096c68e07e0d372861a02899
Manifestb979478b42a6a22844c93a59c093955bfc12d6556e3a3f9d8adf603afe83dc8c

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
Signature4SMpqhzNOM3cnnyiT1OUpIzU42k77GhszrpxeCqKtWmEr0zdpXxEuaJWQEDpY9XyBvlgA3O4AJCOJDSUwnQjCA==
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

2026-09-17T10:30:18.753937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069389
observed 1ee84897ef1ca22ff8189fe7acafb211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.734809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069389/manifest.json
observed b979478b42a6a22844c93a59c093955b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.717127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069389/publication.md
observed 5bc3349e430725b0897f2bd8ddce872d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.700328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069389/publication.txt
observed 8bf6d39d6c25a2f0fbc53bcace82df2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.224612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069389
observed 1ee84897ef1ca22ff8189fe7acafb211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.208301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069389/manifest.json
observed b979478b42a6a22844c93a59c093955b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.190584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069389/publication.md
observed 5bc3349e430725b0897f2bd8ddce872d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.172471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069389/publication.txt
observed 8bf6d39d6c25a2f0fbc53bcace82df2b...
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.