OpenTechnical

OT-2026-000061634

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000061634) never changes.

Identity and time

Publication numberOT-2026-000061634 · never reused
Internal UUID01a0ae8b-7b45-7f35-b490-efe4610bd073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061634
StatusPUBLIC

Content hashes

Canonical text2a69a04112f15a17d6a35175fad1abc75772cafab5621eaf1293f7f81056fd6f
Markdowna6a3dcb177deba6604b99b8f266ed5c5edc31d1350928f4782ff3cc5dd91e38e
PDF
Publication page10aec3d397830a38d48e0748205dbf952f6fb8276a1969119d0e94ed46c61706
Manifest5945e26832aec2bb3ad02d5c15199b3f6ed7983defba8497f346dcd42eb4e86e

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
SignatureHEODYjzC3WBJOovKo/WiB1FCsZmE40t9YPREo4eZVGt9Ua1m+ep/Y4JwW+vssTmWpOejiyd8mz5DcDvXSjIfBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:34.358878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061634
observed 10aec3d397830a38d48e0748205dbf95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.340243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061634/manifest.json
observed 5945e26832aec2bb3ad02d5c15199b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.322743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061634/publication.md
observed a6a3dcb177deba6604b99b8f266ed5c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:34.303047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061634/publication.txt
observed 2a69a04112f15a17d6a35175fad1abc7...
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.