OpenTechnical

OT-2026-000044413

Publication integrity record

Six cup vacuum gripper, six 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-2026-000044413) never changes.

Identity and time

Publication numberOT-2026-000044413 · never reused
Internal UUID01a0ae7c-39d7-7a42-b889-dc811ba81d9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044413
StatusPUBLIC

Content hashes

Canonical text88c76ac981d4ec2ec2e09f17f19ec7c20a71570f6ea103b7c947f362d6616b2c
Markdown1da9d3af9abf2b91c96f3fdea97a026ba29352a584a3085dbde60a21cc7de9d4
PDF
Publication page0dfaad8c146c04186264374381fa1c3bd3db0eda30d74b5fa1b8a94f716a8fa6
Manifest947112ad6895fc535bd95db6607e30acfa1744acd4df8f4eb7a2fd4c0df63f44

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+6PGraATZCFCRQ4kOV0W6vnEC4ueAK6c1eY0f2a+UnKPzmUHDS0S0MOFJN14oifZEp+iuvgPStUyiJfvTEIWAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:30:42.216835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044413
observed 0dfaad8c146c04186264374381fa1c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:42.076419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044413/manifest.json
observed 947112ad6895fc535bd95db6607e30ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:42.059163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044413/publication.md
observed 1da9d3af9abf2b91c96f3fdea97a026b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:42.041711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044413/publication.txt
observed 88c76ac981d4ec2ec2e09f17f19ec7c2...
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.