OpenTechnical

OT-2026-000092203

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, 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-2026-000092203) never changes.

Identity and time

Publication numberOT-2026-000092203 · never reused
Internal UUID01a0ae9d-875a-7d92-8f88-54ed67af606d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092203
StatusPUBLIC

Content hashes

Canonical text291a8f2ae24c288bba6a7be20476d9e84b8c8c15ea6bf7f2b41fad647bcca422
Markdownd5b4073c49020790f17e28929430c0146f1ae294989daca8dc3412397d654123
PDF
Publication pageb8c23a9bfa6946a49652262af0fcb10c6bef05fb7a59fb7e1bf18e73f90060db
Manifest7b2135b6e761cc7a493f30a24b757d485a446c8ed2652063a9cd605509ecf5a1

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
Signature4hdh2oCiKRrhyZG284zncVyjAjnSQ1yJF1mHNcozUHV1AvuA7NGSvTt9casAy0Bfx0PTHUL+ORiwrpB6APhXBA==
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

2026-09-17T09:41:41.310714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092203
observed b8c23a9bfa6946a49652262af0fcb10c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:41.294783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092203/manifest.json
observed 7b2135b6e761cc7a493f30a24b757d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:41.278330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092203/publication.md
observed d5b4073c49020790f17e28929430c014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:41.261978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092203/publication.txt
observed 291a8f2ae24c288bba6a7be20476d9e8...
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.