OpenTechnical

OT-2026-000079627

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000079627) never changes.

Identity and time

Publication numberOT-2026-000079627 · never reused
Internal UUID01a0ae96-0b92-7d82-bc64-e980438e429f · 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-2026-000079627
StatusPUBLIC

Content hashes

Canonical texteb2976a01650ee9f33a85d1bd4652ed9cff2d48d0e4df4f4e6bbf506ff35de01
Markdown76e459170fbb44a654aceffe6ee68fc5c544a569c3fb5c68db26b57e919ecd37
PDF
Publication page1c19e292e96bd915f38abceedf59d98edb0978dcd407a9b5ee347d4a97bc1653
Manifest6c7ffb6ac3fb5efcfd3204f917a7c29a58f32b3e04c790d7da7a98b9ec42eaf0

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
Signature0WdRaMbHvqo6w0CmcuHvBiiiicJWZtu96I2isAYIG4qGKCPnGvIs0Ykd8Jfyjmp7Z7WIOzI8nofRyURbuFcOBw==
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

2026-09-17T10:05:17.581508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079627
observed 1c19e292e96bd915f38abceedf59d98e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.560453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079627/manifest.json
observed 6c7ffb6ac3fb5efcfd3204f917a7c29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.538526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079627/publication.md
observed 76e459170fbb44a654aceffe6ee68fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.518956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079627/publication.txt
observed eb2976a01650ee9f33a85d1bd4652ed9...
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.