OpenTechnical

OT-2026-000101392

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, 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-2026-000101392) never changes.

Identity and time

Publication numberOT-2026-000101392 · never reused
Internal UUID01a0aea4-0e13-7c0b-bc7b-c18c46f1a958 · 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-2026-000101392
StatusPUBLIC

Content hashes

Canonical text32e1208008fee22b6412dcf8e6fb8a7cd88a91f82926aad8013ed871e067c7b6
Markdown38b364efa193c1b5ec3276e763995b3140b7d068410b9c113d97f85619c3d3c7
PDF
Publication page2fe57d5dc07a650e7ce331ab78892f3d11f46ce05f4244032517f2798820d683
Manifest892b57148d5faf38d503e5e9ee9fae71c2a37794c1e663b5745e2f30ce905a1c

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
SignatureffjXt3PYZef+P8rAmcsO/NF/C74xLVRoRu5HlmF5l0CGK212fOIsO8jSNiYuxm45WcQH64673w3OWlR0yaVGCg==
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

2026-09-17T09:25:55.391826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101392
observed 2fe57d5dc07a650e7ce331ab78892f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:55.371909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101392/manifest.json
observed 892b57148d5faf38d503e5e9ee9fae71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:55.353566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101392/publication.md
observed 38b364efa193c1b5ec3276e763995b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:55.334578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101392/publication.txt
observed 32e1208008fee22b6412dcf8e6fb8a7c...
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.