OpenTechnical

OT-2026-000103495

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pulsed blow-off after 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-2026-000103495) never changes.

Identity and time

Publication numberOT-2026-000103495 · never reused
Internal UUID01a0aea4-e461-7a00-bf5f-35b5dd9f04a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103495
StatusPUBLIC

Content hashes

Canonical textf202ebddc5d1108552afad1738848dac8a7b9c6311dabb2c87d086e4d6209c97
Markdown027ac20ed86bb3df868a72dda0c4fd508e0906962a2e4ca94e16f8c60ee4af06
PDF
Publication page4beb7ff8b06f8b91e3e8a5fe548ceeec41df1149ddf183da490a5210fdb3fa8b
Manifeste727a1508603f36923e734d0fa7baeccabb6df546ba45780082707b003cdda5b

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
SignatureM0gbYu8URxacdZCeyp+ObzJo/11BKXp3sLEO+4izRGKMxgw5//NzalhVuZqcRpe7DFZFfQPzmoVNLfJE9H8DDQ==
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

2026-09-17T09:22:15.591389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103495
observed 4beb7ff8b06f8b91e3e8a5fe548ceeec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.574875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103495/manifest.json
observed e727a1508603f36923e734d0fa7baecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.558021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103495/publication.md
observed 027ac20ed86bb3df868a72dda0c4fd50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.541075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103495/publication.txt
observed f202ebddc5d1108552afad1738848dac...
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.