OpenTechnical

OT-2026-000099799

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099799) never changes.

Identity and time

Publication numberOT-2026-000099799 · never reused
Internal UUID01a0aea2-c978-79f9-a793-5b7d2927f6d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099799
StatusPUBLIC

Content hashes

Canonical text3397225b29c8fc407e5445dd890a960abea01a7fcd300815bb659fd654567f6f
Markdown2d7890117e083487b135cc06cf811bfe02c9e07d7344b463a0e6d20aba89a1f2
PDF
Publication page274f8d63264527abdd8a8b0865f19da599435d07a02c9ea8837ca9878484ea7d
Manifest61dd0b08d861bd86ecb2cecd3635afa07c972d92fea5929ba665c3a9784d1f94

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
SignatureB6S19BsvyRkKore4XGBxYMWYAagcMOyzUMWHstKRz2M38waEDJIf8jbeq6D+1wUYCiETOq01HeNs6DhMQtBOBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:50.200519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099799
observed 274f8d63264527abdd8a8b0865f19da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.183368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099799/manifest.json
observed 61dd0b08d861bd86ecb2cecd3635afa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.166882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099799/publication.md
observed 2d7890117e083487b135cc06cf811bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.149514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099799/publication.txt
observed 3397225b29c8fc407e5445dd890a960a...
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.