OpenTechnical

OT-2026-000029986

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000029986) never changes.

Identity and time

Publication numberOT-2026-000029986 · never reused
Internal UUID01a0ae73-ac49-7918-bfd1-c850418f57ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029986
StatusPUBLIC

Content hashes

Canonical textdcbf5540b4d9a413973e5d6996b0e10c2b202be2906e9f18d89441134a3ad4dc
Markdowndf8f81b9eefaf73db8907430f761ec9039b88269d82c9cf43a967e8f71b9105b
PDF
Publication page0dbeeaa58c12ec1fb1d99fa1edf0812699cb151fc75534deb582f36c186e5412
Manifest922b617db2667e4ea0c4e9318014baa30e85f2e82a219ddf5448d20c415141ae

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
SignatureBmoxcp4bS551uhN2NZAG7YmSqv8I+UW4h8yiz9P8s2DYDGau5b7hGAHP/Z1b+5B2vsI8E56hJpzO86SWVQ7bDw==
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

2026-09-17T11:38:42.674754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029986
observed 0dbeeaa58c12ec1fb1d99fa1edf08126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.657126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029986/manifest.json
observed 922b617db2667e4ea0c4e9318014baa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.640721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029986/publication.md
observed df8f81b9eefaf73db8907430f761ec90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.623366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029986/publication.txt
observed dcbf5540b4d9a413973e5d6996b0e10c...
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.