OpenTechnical

OT-2026-000098538

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000098538) never changes.

Identity and time

Publication numberOT-2026-000098538 · never reused
Internal UUID01a0aea1-e966-7294-90d5-1374b3be3b47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098538
StatusPUBLIC

Content hashes

Canonical textbc5af18c2cbc6778cfdb1c7ee540589087b1cfcda96ff300e4bfcfcec523dfc1
Markdownc538f43263202d3f286001b3f42397227b768f41c7236e910ff227d722fff3ab
PDF
Publication paged1f7385c88c52850e7d4160192341209f9af50136e6f848ab70044d3eaa37601
Manifest8e29a8cfcd8bb2037282799cc64900000b39cff29534fdca5d1d4e2e255e0365

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
SignatureE4ZQYqvMUcnMwSGkd2oURxgke1oyhTIXn4gycP6NJkZWSO7rV9IQU7k56Hu0HgtrsW+8fV+d2zUo3h2bylh5Cg==
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

2026-09-17T09:32:25.079521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098538
observed d1f7385c88c52850e7d4160192341209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.060986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098538/manifest.json
observed 8e29a8cfcd8bb2037282799cc6490000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.041603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098538/publication.md
observed c538f43263202d3f286001b3f4239722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.024240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098538/publication.txt
observed bc5af18c2cbc6778cfdb1c7ee5405890...
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.