OpenTechnical

OT-2026-000052332

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000052332) never changes.

Identity and time

Publication numberOT-2026-000052332 · never reused
Internal UUID01a0ae83-e791-731e-a754-11e81bcc6927 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052332
StatusPUBLIC

Content hashes

Canonical texteff281f974e1caff907c10762c71d005b506f51c0d3273b56ec8531cf1bab4bc
Markdown95cee3caeb69674dc22dbf01141e03cfb07cc62711571193ecf7970afe92e7af
PDF
Publication page837187ef7271ca3a13e46ddaa5df9d97efa2b24107376371e1a543f78321a865
Manifest484682fa81614d397564e5d7ab0f65cfab64b745a67eedeb033e786456343690

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
Signatured9fFN1BVC8Yq8K5o83/IYoWkihRB520YsX3AzIE21mNoMQ5AP8cb02wr3mA4xyeXI53WUaC9cpOr66IjKzGdDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:01.351503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052332
observed 837187ef7271ca3a13e46ddaa5df9d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.331901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052332/manifest.json
observed 484682fa81614d397564e5d7ab0f65cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.312017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052332/publication.md
observed 95cee3caeb69674dc22dbf01141e03cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:01.294265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052332/publication.txt
observed eff281f974e1caff907c10762c71d005...
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.