OpenTechnical

OT-2026-000068648

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000068648) never changes.

Identity and time

Publication numberOT-2026-000068648 · never reused
Internal UUID01a0ae90-2483-72f7-8899-a32f6ca28d74 · 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-2026-000068648
StatusPUBLIC

Content hashes

Canonical text18b477787137422a744252a18755f047300b52c5410a9652f08d624d7977133c
Markdown31532cf73e7b43acd0f7552e3fa3a25036a9bfb3def0e6ae4a4b0022547d52d6
PDF
Publication page46c905cd2617d01d8d7c55f0876d0d24b664b4df5954779dabbeaec8585299ca
Manifest295b36179574a250d986501f2c6e937f68a33281034dcfb234521463e3248491

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
SignatureT9fRoE7DZzLvFOJZpjn3Z9VjcwbfLH+pWUhLhacd7PRzTgiYg/Wyh8fXZ4pX0PcMjQqPfVQ5QkQFAZorjY46Dg==
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

2026-09-17T10:29:50.521907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068648
observed 46c905cd2617d01d8d7c55f0876d0d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.505360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068648/manifest.json
observed 295b36179574a250d986501f2c6e937f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.488917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068648/publication.md
observed 31532cf73e7b43acd0f7552e3fa3a250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.470269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068648/publication.txt
observed 18b477787137422a744252a18755f047...
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.