OpenTechnical

OT-2026-000079621

Publication integrity record

Two cup vacuum gripper, two 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-2026-000079621) never changes.

Identity and time

Publication numberOT-2026-000079621 · never reused
Internal UUID01a0ae96-0b92-760f-87b3-08c0164340b5 · 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-2026-000079621
StatusPUBLIC

Content hashes

Canonical texte9bd636963fc1669c477dc79a180773f555c0df0e28cda204664382b0f7296ba
Markdown2b16c5b82b6ec77db969ba7bb595c2c442da8e3a72940d7de2efe6ff7a62a786
PDF
Publication page254183ef35185961389d82e5448b4ad404af161643a0a4ccd03dfcaffe308764
Manifest866442aa192a3accc0200f44d5ea7fd5bcee60d6cd5f1270605f1d43ad2175a9

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
Signature9mzxfk5N8918h3GLODVcbf+VKO1cdfq088zWRMt9fw/qt1ppdujMFhkMhhQqM59ZR9l0GmoBXv1E/NKfmz9UCQ==
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

2026-09-17T10:05:17.101263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079621
observed 254183ef35185961389d82e5448b4ad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.080341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079621/manifest.json
observed 866442aa192a3accc0200f44d5ea7fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.061305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079621/publication.md
observed 2b16c5b82b6ec77db969ba7bb595c2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:17.041722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079621/publication.txt
observed e9bd636963fc1669c477dc79a180773f...
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.