OpenTechnical

OT-2026-000079849

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000079849) never changes.

Identity and time

Publication numberOT-2026-000079849 · never reused
Internal UUID01a0ae96-4376-75c3-a136-bf2bd0e44728 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079849
StatusPUBLIC

Content hashes

Canonical textd2d01981fa6054ce9a13785d731096a9988051a55225c4d1345abb53d767cf9b
Markdowndda491276ea32526989fbf88ccc577fec8758e90c51cec9104f6923ef72ebe99
PDF
Publication pageb20cdf3464e637e5f9a2802f0dead8d59dd70be71db9e87bf8783235ce277d16
Manifesta935bb0efdb0bfba46714259713cfe06785b268200f3dd88d8dbef17de0a4eca

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
Signatureej1fZOLevqncCmln4xUqZHQhl37pqlR4GqH5wF1a6nVLZDXbCtfVk231WK9MQZLqE2rHxiYho6DSjGFoUPqCDA==
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

2026-09-17T10:03:44.211683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079849
observed b20cdf3464e637e5f9a2802f0dead8d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.193382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079849/manifest.json
observed a935bb0efdb0bfba46714259713cfe06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.172838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079849/publication.md
observed dda491276ea32526989fbf88ccc577fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.153465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079849/publication.txt
observed d2d01981fa6054ce9a13785d731096a9...
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.