OpenTechnical

OT-2026-000068185

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000068185) never changes.

Identity and time

Publication numberOT-2026-000068185 · never reused
Internal UUID01a0ae8f-c4ff-72f2-9c18-4e50a8f3a931 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068185
StatusPUBLIC

Content hashes

Canonical text19c9cfb8d565ec2c656ff378d756734f215f2b8212ba7bb304f17565ec6f41f5
Markdown1138d285be620b9bbb46cccc3ab5a4e73feba129a5fef5e61c94c9b715aff773
PDF
Publication pagec05e0644c8d9f89fc54ec2ec53761df96f1b0af9fdeed7bd01d92e10f902faf2
Manifestd158f9c69498113f6c4cb47e4ce4aa3311d70323faf0354c1c56bba71d5c3fd3

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
SignatureR0UddjQDmzGYCFhtLNI6q5ry5aQCnpxBV6Med6ozOvZbTvPJOgha1BjLQ2hEDkjzfuiW3Jm01r5JEG28N8I5BA==
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

2026-09-17T10:30:50.637135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068185
observed c05e0644c8d9f89fc54ec2ec53761df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.619421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068185/manifest.json
observed d158f9c69498113f6c4cb47e4ce4aa33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.603530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068185/publication.md
observed 1138d285be620b9bbb46cccc3ab5a4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.584470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068185/publication.txt
observed 19c9cfb8d565ec2c656ff378d756734f...
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.