OpenTechnical

OT-2026-000035449

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000035449) never changes.

Identity and time

Publication numberOT-2026-000035449 · never reused
Internal UUID01a0ae76-6a20-7469-b80d-7b724f9ed07a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035449
StatusPUBLIC

Content hashes

Canonical texta292d86b90d1fe193cc699698a4969d276775d998fbaf152e090aed1dd21ee08
Markdown8fb0104177e847c072295736b12766a76f5e774a1b84aeff557fa2e3fe8885ce
PDF
Publication page91e873bfcb3b6a238c66f8413f5190b37d5d24daaf1d5d8ca3f209559ff7fbf5
Manifestc8cfd9c60963725a4db7ce75a10f50b4b6b798de399c2e95498450b21880baf5

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
Signature2/+30R8hQB0hi7lAasrwkTBe5vWhn9w7Lm6TyDRvX4ZUGDN2Zk4TzlFG0WDF1rGsLoXOU8UHheb9O5lBLnvgCw==
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

2026-09-17T11:28:46.075366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035449
observed 91e873bfcb3b6a238c66f8413f5190b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.056966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035449/manifest.json
observed c8cfd9c60963725a4db7ce75a10f50b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.038181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035449/publication.md
observed 8fb0104177e847c072295736b12766a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:46.020564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035449/publication.txt
observed a292d86b90d1fe193cc699698a4969d2...
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.