OpenTechnical

OT-2026-000079477

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000079477) never changes.

Identity and time

Publication numberOT-2026-000079477 · never reused
Internal UUID01a0ae96-0b91-7ef5-86cc-fb9027a99926 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079477
StatusPUBLIC

Content hashes

Canonical text455b190a5fa4fc91806ff0443b28751186cd3ab4c11c6e9bc52f88fe7c9c35a5
Markdownd6fcaae1d2db1e992fe05f3c01a5c7e97a7663a2888dd3fdf608534a111a16bd
PDF
Publication page9b525713033a65f0dae64234fc39f8b0ad8036332cfe12e0cfce1082bb060604
Manifest14814b998e0d65c41e74fd5f11e7891fed89edba8f73e8691890b91d8038bfba

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
SignatureT+L+bAGlhuqlZWaT41uVT2eUkhx1hycmtlALYABP3+Fjp+cHiHVKqkrCm8M3HrXqfPYjsK+dgemL2nY9JOZPCQ==
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

2026-09-17T10:04:44.873419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079477
observed 9b525713033a65f0dae64234fc39f8b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.856902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079477/manifest.json
observed 14814b998e0d65c41e74fd5f11e7891f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.839976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079477/publication.md
observed d6fcaae1d2db1e992fe05f3c01a5c7e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.821683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079477/publication.txt
observed 455b190a5fa4fc91806ff0443b287511...
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.