OpenTechnical

OT-2026-000033216

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000033216) never changes.

Identity and time

Publication numberOT-2026-000033216 · never reused
Internal UUID01a0ae75-4844-781e-8215-89c3924a0173 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033216
StatusPUBLIC

Content hashes

Canonical text2948033e5592a3ce982df5e4b1ee3803a5e65594258be05eb977160c93b787a0
Markdownd88613811d8afbe1247b470303eac0af0cd92474cd1c24c057a026cb52a19cac
PDF
Publication pagebf8cc6feb17bcc124955dfe920e7122926720e30aa57da27459b47057b81e233
Manifest71500ba3c759714fe48fbc59a4eb7c0e7d6e394d77739278bb5f5997f4f5a881

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
SignatureFOO3zUvLsD++I5WZp5Xie7d6WX/vXsERqG+Mh90GPeOzaa57BikN9H9PBpFvQ/lavQYmWYcQAdePe0TyUzsaAg==
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

2026-09-17T11:32:55.131625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033216
observed bf8cc6feb17bcc124955dfe920e71229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.114291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033216/manifest.json
observed 71500ba3c759714fe48fbc59a4eb7c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.096760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033216/publication.md
observed d88613811d8afbe1247b470303eac0af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:55.078615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033216/publication.txt
observed 2948033e5592a3ce982df5e4b1ee3803...
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.