OpenTechnical

OT-2026-000079845

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-2026-000079845) never changes.

Identity and time

Publication numberOT-2026-000079845 · never reused
Internal UUID01a0ae96-4376-7c74-9a50-b3dc506b676f · 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-2026-000079845
StatusPUBLIC

Content hashes

Canonical text64c8c0949ddf20627923e69e244b4f88a67f5f3b283df9f6963a3cc648f73a46
Markdownb5acf96d3623593fa76333a4e430413d86816db161b0e9a3332877da45a0ba8d
PDF
Publication pagee06967210549182c4b9465c6ab1ff82bd45fcc1ef6e881f344c24d9532104faa
Manifeste9c57aa0dde75cd418ae9982be56272d2251220330d93f92d7c97edbdb88b9a6

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
SignatureC0RFkWJuvn1Xa8dDo2/EDbufy7z8ndK2TDwfMNOkhvkuCeg5XvwdCRWfIhXy+4H/W9tSSimP4gJRTN+BqwyJBA==
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

2026-09-17T10:03:43.903835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079845
observed e06967210549182c4b9465c6ab1ff82b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.887059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079845/manifest.json
observed e9c57aa0dde75cd418ae9982be56272d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.868424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079845/publication.md
observed b5acf96d3623593fa76333a4e430413d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:43.849222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079845/publication.txt
observed 64c8c0949ddf20627923e69e244b4f88...
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.