OpenTechnical

OT-2026-000024634

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000024634) never changes.

Identity and time

Publication numberOT-2026-000024634 · never reused
Internal UUID01a0ae71-2725-7ef3-abfd-7d12917dcfb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024634
StatusPUBLIC

Content hashes

Canonical textfc56ebf4d26461a1c144df79c7f5fd429dceb1804af0fe3dd8238e40908ebe33
Markdown9436d82e195c5fb074a9fed36c240d0af9df9ad9aac381dfc220ceafd00500be
PDF
Publication pageeff8f3ad4b49a74198bf6e81ed8c473ae7afcd5055fd9cf503f73434c7eea58d
Manifestb2245399bba68f19f933b5b86805d513425cad9c47858af33b58f56e4523b00a

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
Signature679eSN5NdnVh+dPm5o6HoACbnZR2G68YT7wL0/Ge/pbi0tCWkhRt+0JoC9O/Gn2HfWcm4M/c17pQvCjVpAnmAw==
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

2026-09-17T11:47:49.518424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024634
observed eff8f3ad4b49a74198bf6e81ed8c473a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:49.501524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024634/manifest.json
observed b2245399bba68f19f933b5b86805d513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:49.484706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024634/publication.md
observed 9436d82e195c5fb074a9fed36c240d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:49.466435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024634/publication.txt
observed fc56ebf4d26461a1c144df79c7f5fd42...
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.