OpenTechnical

OT-2026-000079104

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented after 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-2026-000079104) never changes.

Identity and time

Publication numberOT-2026-000079104 · never reused
Internal UUID01a0ae95-ccbf-7b75-8348-ed6bb8744575 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079104
StatusPUBLIC

Content hashes

Canonical text77e6072e85350056b5b2251a2022e566796ed68431c2896e46def2e9ea44dfb4
Markdown28fdbceac7d11c6cb7cdf52f0c652022cfe153baa4f6b21bb7e713c9cb542ed8
PDF
Publication page6c5adfda9414eaeeffe31d9a9f35eef5a66498d841bafe9b0e484b1db20e687f
Manifest42df169b49d853d47ebac563d730e9139009b5f0c631dfd0d66326f8c924699f

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
Signature1eF1Jrqs6yrl5QHsTJdJYQKp6DgLhcKUNkmcSVWqDLbR/d5Pms8W/8ZFkDOXHa5DngVSBC7Y/dNYsfRzP81tCQ==
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

2026-09-17T10:05:57.081021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079104
observed 6c5adfda9414eaeeffe31d9a9f35eef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.063063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079104/manifest.json
observed 42df169b49d853d47ebac563d730e913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.043246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079104/publication.md
observed 28fdbceac7d11c6cb7cdf52f0c652022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:57.023837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079104/publication.txt
observed 77e6072e85350056b5b2251a2022e566...
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.