OpenTechnical

OT-2026-000037998

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000037998) never changes.

Identity and time

Publication numberOT-2026-000037998 · never reused
Internal UUID01a0ae77-f88a-7720-8730-25862ae56579 · 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-2026-000037998
StatusPUBLIC

Content hashes

Canonical text6bbe47ac2b903594f4e1b5d49d97680d4ee993c4910a26c05683c42f9fb3adea
Markdown9755ed3050465e3889776c45c5a79a49ec4a36fd03e98334fff0df8e669da15a
PDF
Publication page01e4f3ee7b4c21d7bb65315fdc3f99a93d9b800e82aacb05131d18fda546b3bf
Manifest894bc61b77c2ed42213d43f00a35d0495fb4140a345e64abe0452644640a6e86

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
SignaturedF/4aH5F79L0Pb6FY/rCzOOtG7lVTTFsVV/DJuDuw2zQ/3GN6Zq1k0Bj4iHe1FH8YFAPPkDE+Qhdc/7qhiEyAg==
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

2026-09-17T11:23:17.831222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037998
observed 01e4f3ee7b4c21d7bb65315fdc3f99a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.811630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037998/manifest.json
observed 894bc61b77c2ed42213d43f00a35d049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.789616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037998/publication.md
observed 9755ed3050465e3889776c45c5a79a49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.769504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037998/publication.txt
observed 6bbe47ac2b903594f4e1b5d49d97680d...
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.