OpenTechnical

OT-2026-000037881

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000037881) never changes.

Identity and time

Publication numberOT-2026-000037881 · never reused
Internal UUID01a0ae77-f889-7fce-9e5c-37bb5855738e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037881
StatusPUBLIC

Content hashes

Canonical texte64dce632f3a4f7d0e40cf00ba0dcde5f7d401667b05ff2b35b724d10edd2dde
Markdown64a022271dffea4f2654dee8cff810d5b5904ea4218a9967a9e102e954a036ea
PDF
Publication pagec05f4028a2ee5c175f3740aef5ef3e2549ac785bd52f4f469f2111c3f7c29fb2
Manifest2d36b55e849438fbdcb16ec0cc7755f365a058c34f4897b9fc73dab2c25347af

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
SignatureEBUMPYOsSJbRyZnyn1JWJAPkGK8I4f8T9cPUK9RCw3RkbfZNRevzUNxuVlW+pMeYAV2NMMg8kmtfuRm3Bd7cCQ==
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

2026-09-17T11:23:08.679526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037881
observed c05f4028a2ee5c175f3740aef5ef3e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.662978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037881/manifest.json
observed 2d36b55e849438fbdcb16ec0cc7755f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.647113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037881/publication.md
observed 64a022271dffea4f2654dee8cff810d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.628671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037881/publication.txt
observed e64dce632f3a4f7d0e40cf00ba0dcde5...
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.