OpenTechnical

OT-2026-000080473

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000080473) never changes.

Identity and time

Publication numberOT-2026-000080473 · never reused
Internal UUID01a0ae96-7e78-7adb-b423-662db40821e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080473
StatusPUBLIC

Content hashes

Canonical textb1815a16ddbeb95933990bd1f1d2c4988005054c5f45ce57ee59605b3a7f6409
Markdownbfd0fc5d241c8b0e53c4f176c6ce724fb4fc7dd4ccfba19915608bd709e0b2c1
PDF
Publication page03f276300b98ac89d22d12fc1de34ebc00b30569b52cd23deb55e8ee83ffd9a7
Manifest260724cbe372763ffe1d4819875f19bad142dc3787c1bec7d604853f21fd32ee

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
Signatureuw1L8P6aVI8U6DXCwGxSi55du/sd+e50BAeV306HdE8hwjukqyHhCfRJk0AnOLF9JYoLpUyRizP7v0gkIKRCDg==
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

2026-09-17T10:02:59.666453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080473
observed 03f276300b98ac89d22d12fc1de34ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.646297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080473/manifest.json
observed 260724cbe372763ffe1d4819875f19ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.613457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080473/publication.md
observed bfd0fc5d241c8b0e53c4f176c6ce724f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.580987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080473/publication.txt
observed b1815a16ddbeb95933990bd1f1d2c498...
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.