OpenTechnical

OT-2026-000091216

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000091216) never changes.

Identity and time

Publication numberOT-2026-000091216 · never reused
Internal UUID01a0ae9c-f16c-767b-ace6-25cd344cfc72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091216
StatusPUBLIC

Content hashes

Canonical textb55f6dd6bd649b27d62cf4bc3fa211b4c2dce6cf7ac4273e1f8800f238b6955d
Markdown30eb9d7330f10facebb9c9e426beaceedbc43948e302f47f7d69b3d5eda95521
PDF
Publication page23411bd202f23465f681a4b7c2c706abfc0526b6224a3922b5ce817895b1f90a
Manifest451e3a29ecc918b38f57447301f3d47b62b60b6e706bb5b0681b314ff07086ed

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
SignaturemjZuL/EWvW92bUiBRG2YhGYc3MZSQaIeH/urAcafx9CALjtamjjn8I/HPT+x+vCOUmEaja2DRXiQSoijuOY4DA==
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

2026-11-01T00:41:21.304587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091216
observed 23411bd202f23465f681a4b7c2c706ab...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-01T00:41:21.240625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091216/manifest.json
observed 451e3a29ecc918b38f57447301f3d47b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-01T00:41:21.156116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091216/publication.md
observed 30eb9d7330f10facebb9c9e426beacee...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-01T00:41:21.030893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091216/publication.txt
observed b55f6dd6bd649b27d62cf4bc3fa211b4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T16:41:12.021591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091216
observed 23411bd202f23465f681a4b7c2c706ab...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T16:41:11.942247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091216/manifest.json
observed 451e3a29ecc918b38f57447301f3d47b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T16:41:11.858081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091216/publication.md
observed 30eb9d7330f10facebb9c9e426beacee...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T16:41:11.707381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091216/publication.txt
observed b55f6dd6bd649b27d62cf4bc3fa211b4...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent