OpenTechnical

OT-2026-000033996

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000033996) never changes.

Identity and time

Publication numberOT-2026-000033996 · never reused
Internal UUID01a0ae75-df0b-758c-840a-f6ecc1c4794c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033996
StatusPUBLIC

Content hashes

Canonical text48358da7f4a0a6d35239f9e7843203e01982fb7ce087eed08dbd4c7527b16a5f
Markdown669d24c388e7a0b1c2340058e19548f20e4e6b31f7943c3b1e94f525757064fe
PDF
Publication page80000e9b3b2abeee262c7c02733f69c690707a13ad533e437b5f4646b49d4b91
Manifest01b1c6c3d89620e65b4052a9f52326457052dcf59e08bfdee2066f305eafb6d3

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
SignatureDVhqijwchKzFzN493HYde0pU+qb3sSPrTV/BnBv//GvKCBaQfEd62rvh4o7XgSmJz7y0y95eoMjhXLJVjemeCw==
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

2026-09-17T11:30:12.186438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033996
observed 80000e9b3b2abeee262c7c02733f69c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.149569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033996/manifest.json
observed 01b1c6c3d89620e65b4052a9f5232645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.077309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033996/publication.md
observed 669d24c388e7a0b1c2340058e19548f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:11.967323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033996/publication.txt
observed 48358da7f4a0a6d35239f9e7843203e0...
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.