OpenTechnical

OT-2026-000091222

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-2026-000091222) never changes.

Identity and time

Publication numberOT-2026-000091222 · never reused
Internal UUID01a0ae9c-f16c-7cb6-9389-2818901dc79f · 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-2026-000091222
StatusPUBLIC

Content hashes

Canonical text10fe6ceb5b72c4953824598e235f9a779833ab79e710ca625873156e7b990aa2
Markdown80d4b99471d3cacdfc93c03ac9d949f46ef93615ede00b5440292da37b7cb4c5
PDF
Publication page23eb58a6cb1095c6b87cc526ef669c1412dd80c0a53808540c4cf295c24b1829
Manifestef420cc06049fdef495e3d45c8e288c72c675971d9cabbd0367f26bca8e5722c

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
Signaturef93kMbqxI2iVipljHz3HPSLqJpdx+sUVid6iANDkK/1BIwhR6GNzkF43P7YY4uIKlEcfHe7pi8U6Hih4+oNmAQ==
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

2026-09-17T09:43:23.636985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091222
observed 23eb58a6cb1095c6b87cc526ef669c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.621091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091222/manifest.json
observed ef420cc06049fdef495e3d45c8e288c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.603872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091222/publication.md
observed 80d4b99471d3cacdfc93c03ac9d949f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.585857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091222/publication.txt
observed 10fe6ceb5b72c4953824598e235f9a77...
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

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