OpenTechnical

OT-2026-000060878

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000060878) never changes.

Identity and time

Publication numberOT-2026-000060878 · never reused
Internal UUID01a0ae8b-12f1-7413-adec-501e71620310 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060878
StatusPUBLIC

Content hashes

Canonical textbfb0ceb51d39835bc167138547dc36f46031c9be6af8a9dda22cdb3a3183d6a6
Markdown3b225f1bf68363ce9fa282ad3517ebd97f72824ced55e0b790fdaa35867bb8a1
PDF
Publication pageeae739f7088044e9e62f8411449d1ff77d9d9aa571c79cdfc8ebceffa13bd569
Manifestb2516c291c00d42d8653f90edca57739b74d9e27c0e6e4370f016b62b4d768c4

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+pYIdnwkchpv2/uPbMR6G6mdvov+8i2Xb2qtEIimJM2bxqSvWY6PL+oDqUaGMdJUacMx1w0nCsGYxFNcOQplBA==
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

2026-09-17T10:41:36.618945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060878
observed eae739f7088044e9e62f8411449d1ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:36.600205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060878/manifest.json
observed b2516c291c00d42d8653f90edca57739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:36.580480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060878/publication.md
observed 3b225f1bf68363ce9fa282ad3517ebd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:36.560940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060878/publication.txt
observed bfb0ceb51d39835bc167138547dc36f4...
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.