OpenTechnical

OT-2026-000018761

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000018761) never changes.

Identity and time

Publication numberOT-2026-000018761 · never reused
Internal UUID01a0ae6e-d521-7f63-958b-a34a73179788 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018761
StatusPUBLIC

Content hashes

Canonical text7d2221c3d89b388bc77c25832841df6dd55a57eb96458ce62dbe66e342610b59
Markdownb9f0b25a82b31c1dbf1a429c072820925b31e89541efe838630712a7feff54b5
PDF
Publication page8ceef1b83f48e578d11c9fd55e38a7755fce6ee3cdf85ad1364b0edce6e20813
Manifestb5e078fa2f235215af56d31584b183b9c5c2b3b049b0856ff4b49d00ec04eeeb

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
Signature+nRoLschBZvDSXJ9oNEAi1Lcc2e6bBNZPTJQL4+Rv/fZhx6n4Q4lYXviFhtkSp2VDHAUCyArvCN7h27DFBJWBA==
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

2026-09-17T11:59:22.743765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018761
observed 8ceef1b83f48e578d11c9fd55e38a775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:22.725916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018761/manifest.json
observed b5e078fa2f235215af56d31584b183b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:22.707389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018761/publication.md
observed b9f0b25a82b31c1dbf1a429c07282092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:22.689363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018761/publication.txt
observed 7d2221c3d89b388bc77c25832841df6d...
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.