OpenTechnical

OT-2026-000040562

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000040562) never changes.

Identity and time

Publication numberOT-2026-000040562 · never reused
Internal UUID01a0ae79-6d0d-7c25-9d7c-5b96a6a3bd4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040562
StatusPUBLIC

Content hashes

Canonical text063a5c6d5e522f845af5ebac3e457971756fda1c6fee1862b2809daadcded661
Markdown33f9234e611927cc8428d84a58e2c1c404e677475b55df05192f6e779a37d583
PDF
Publication page0cfe793135bd8d1194bceaee7a8c1c6e00f21c29488295ff77b9cabda0027d15
Manifest37234681b865114381b6e7db4d693477e8bf34d280a024cdff41776499ab2d58

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
SignatureQcjUovLRIi8R85rY2R2YiYUffkpqO+BRM2eHWzPLGko+c9v49QeZhEk5YV9OyyhC74uXjPoX9Y2N3aa1COiMDg==
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

2026-09-17T11:17:43.572317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040562
observed 0cfe793135bd8d1194bceaee7a8c1c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:43.555455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040562/manifest.json
observed 37234681b865114381b6e7db4d693477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:43.536484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040562/publication.md
observed 33f9234e611927cc8428d84a58e2c1c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:43.517083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040562/publication.txt
observed 063a5c6d5e522f845af5ebac3e457971...
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.