OpenTechnical

OT-2026-000016704

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before 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-2026-000016704) never changes.

Identity and time

Publication numberOT-2026-000016704 · never reused
Internal UUID01a0ae6e-5918-7d04-8cdd-b953159dd450 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016704
StatusPUBLIC

Content hashes

Canonical text2f4815c2fa8fd05333ea09be079a8b9e56448e12d2b25ff647573cf251b259b5
Markdown084edc59d4ace25d814b54ab6e65d5a1e7daf576834e56d14f027516c9f45f5a
PDF
Publication page3f47c22324de2b0ad6b31c23876a94fcf69c0ad368d67c9587db4a8f1d985fdd
Manifest4780c395f536752bb862b62e95631847fca3222d5666940eeb2b661de396b35f

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
SignatureNhc/U7wnAiC1di1SobSPA0h8kKVdKpCH11rhx4u1lDT6icyUAOXG0OgrT9CfJqYdVUObaeQbXP3ftX6eafZNDQ==
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

2026-09-17T12:02:55.659563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016704
observed 3f47c22324de2b0ad6b31c23876a94fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.641623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016704/manifest.json
observed 4780c395f536752bb862b62e95631847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.622699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016704/publication.md
observed 084edc59d4ace25d814b54ab6e65d5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:55.605900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016704/publication.txt
observed 2f4815c2fa8fd05333ea09be079a8b9e...
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.