OpenTechnical

OT-2026-000068541

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000068541) never changes.

Identity and time

Publication numberOT-2026-000068541 · never reused
Internal UUID01a0ae90-2482-79b6-9ad8-ab1b74e4b20d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068541
StatusPUBLIC

Content hashes

Canonical textd516221883157f0e5e14532c16520d78eb4f81b7f0c04b94a42415dfbc49595e
Markdown9b1c3c75c5a9665ce480f6ad53f623e8bc0a5306e7233cbb31bc75bdec6fa3b3
PDF
Publication page16abbd1452a128faa693cd6a42ced8a84c9a5840cd21aa2c25f5404130ca0644
Manifest7830e5c797963d8b101c1e741f5587776efb866b6e611583ba959af95ced1a39

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
SignatureAGknu4og/y31Glp0v8rRTxVFB6EQS4NNLThRYxR79sOFwNtzLLy6VIQVO2M4IpKUkUGajZMVzWuVdmYbjwoEAg==
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

2026-09-17T10:29:42.461766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068541
observed 16abbd1452a128faa693cd6a42ced8a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.443267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068541/manifest.json
observed 7830e5c797963d8b101c1e741f558777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.425821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068541/publication.md
observed 9b1c3c75c5a9665ce480f6ad53f623e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:42.395294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068541/publication.txt
observed d516221883157f0e5e14532c16520d78...
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.