OpenTechnical

OT-2026-000068217

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000068217) never changes.

Identity and time

Publication numberOT-2026-000068217 · never reused
Internal UUID01a0ae8f-c4ff-7bf0-822e-9d7214f073ea · 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-2026-000068217
StatusPUBLIC

Content hashes

Canonical text197c19ad2cc2c078c307c4363852d7a610e28fd91340f9f412e55542e273304d
Markdown6a64969ac4dc07815f1cd39a70bbee1971d9783ec4467e298bf3e28a5c283702
PDF
Publication page46db98617b1ffa9ef7df465bc1dd618497457d7f81fd38f1681df2d43e8c3cba
Manifest554ebcb57e9c291474a84ba22bae32421810b19114ded69f0531956171ba17a8

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
SignatureRHGHQXu0eiG31l0hlAf+AO/DxSXow7nIA9HsH5K7IjWo0J35YAxAMWiHEb9ZHaLitcUJ3+b7hACcG1xCpNgACw==
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

2026-09-17T10:30:52.904301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068217
observed 46db98617b1ffa9ef7df465bc1dd6184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.886081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068217/manifest.json
observed 554ebcb57e9c291474a84ba22bae3242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.869117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068217/publication.md
observed 6a64969ac4dc07815f1cd39a70bbee19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.853486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068217/publication.txt
observed 197c19ad2cc2c078c307c4363852d7a6...
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.