OpenTechnical

OT-2026-000101433

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000101433) never changes.

Identity and time

Publication numberOT-2026-000101433 · never reused
Internal UUID01a0aea4-0e14-7045-a45e-7ca4a7984378 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101433
StatusPUBLIC

Content hashes

Canonical textd53e6f3bc84b8158bad6563a97d4c5da914b6c446ec3695e7241d9d9655577fd
Markdown5c316eb7fa21186139acbcc2bbd3b35143854d7eddb82f5d53dbce5399f445bb
PDF
Publication page1f836f9f5a98cf0fa64c49973d167c8fda1da11ff6726f53e18bdbe859bc390c
Manifest1e95da7bb4d800c728469ca8ea99d1c73cedf5fb881e3922f27ec1807c0d9a6c

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
SignatureuPKalkrCyN7RQcvdaBvWylJ7EB8k874eV5MwRH7k/3RBIG7u/u1dYZ24IfDouj7p3MwNuA8kfrMKLtagCrERBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:59.496347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101433
observed 1f836f9f5a98cf0fa64c49973d167c8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:59.477855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101433/manifest.json
observed 1e95da7bb4d800c728469ca8ea99d1c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:59.458844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101433/publication.md
observed 5c316eb7fa21186139acbcc2bbd3b351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:59.437750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101433/publication.txt
observed d53e6f3bc84b8158bad6563a97d4c5da...
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.