OpenTechnical

OT-2026-000104083

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000104083) never changes.

Identity and time

Publication numberOT-2026-000104083 · never reused
Internal UUID01a0aea5-341f-7f80-8d3b-12e136d22202 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104083
StatusPUBLIC

Content hashes

Canonical text2cca9dcc4a3b3da1c96480bc28b132cc87712afd6a734f4d063ab50aef55f34b
Markdown4f3fda3204e5bea2a167bdfeb4342f8fe8bce51e92aa2b8c8253d88e2a74fb8f
PDF
Publication page92996113376c7ba458bf38e6718d44eaa6825de61413426dfb02ce03f66b413e
Manifest58d7b29068f013e70339763156dd039a2f1a405a82fb3832a5cc5c44df9ef8b6

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
Signature+Bqf+qMqwDyF1YDYTBa67CeVTWiLdQhmTwZBNcL5pSXPZ5zACNwAqOshPP8TAPOioKpMKWYvu1jxQaOzh0WTCA==
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

2026-09-17T09:20:09.092212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104083
observed 92996113376c7ba458bf38e6718d44ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.075061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104083/manifest.json
observed 58d7b29068f013e70339763156dd039a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.059027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104083/publication.md
observed 4f3fda3204e5bea2a167bdfeb4342f8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.043026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104083/publication.txt
observed 2cca9dcc4a3b3da1c96480bc28b132cc...
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.