OpenTechnical

OT-2026-000101391

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000101391) never changes.

Identity and time

Publication numberOT-2026-000101391 · never reused
Internal UUID01a0aea4-0e13-7c10-bfd8-507c6440f00a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101391
StatusPUBLIC

Content hashes

Canonical text32c8d2dd8a071cc4678f780114cb7732bd2ce729ef7554e3436e051b3a18834f
Markdown38021697ee18ffcb329c20b69de6a8aa8fefd6ec15c79ad6a73a989f7cf1a352
PDF
Publication page043c082f4bbd5f4a8ba82ffdf659d67c8dc6352bd418859fce8fc420e28b2b7d
Manifest97f9388b646c43b524e58cdb08ef4f7ee69b4f281fc6f1145b6e580a353e1f2d

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
SignatureRrt4/y9TvEGloDloF7XufSQjpdGi0i+r+jei40uAz63lWWQnycPNKQwxmHzVX3DFe9SDy3EeoSWcQE8LN48MDw==
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

2026-09-17T09:25:53.743691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101391
observed 043c082f4bbd5f4a8ba82ffdf659d67c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:53.724357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101391/manifest.json
observed 97f9388b646c43b524e58cdb08ef4f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:53.706460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101391/publication.md
observed 38021697ee18ffcb329c20b69de6a8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:53.650592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101391/publication.txt
observed 32c8d2dd8a071cc4678f780114cb7732...
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.