OpenTechnical

OT-2026-000052746

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000052746) never changes.

Identity and time

Publication numberOT-2026-000052746 · never reused
Internal UUID01a0ae84-a42d-7066-8e00-e406990de9c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052746
StatusPUBLIC

Content hashes

Canonical text8b2c86df4f8d68ceb8f90e790193f7151f8cae5cdeba988b2399b6a261f60c51
Markdownef7737682980a6cb7428e63ac535164dc0b649ff972260fd915224cfbd1a8ebf
PDF
Publication page18c937ca7d9d459c0b94c0a488eb68b2aca6765781d501a20691f41482a3d005
Manifestf3ad4f74ae84b2103c604412e74e9cc6864ff20ab1272e40eb7c860f4d5184ac

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
SignatureoCIBFwaRS+QRDy41rPPdlnJDS+kP1DGg/jfo7j5TUpFRmDczjJt6SpVYxaZVHuU1PF+nv5969Q390uSY2Xc+BQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:44.736720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052746
observed 18c937ca7d9d459c0b94c0a488eb68b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:44.719810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052746/manifest.json
observed f3ad4f74ae84b2103c604412e74e9cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:44.702916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052746/publication.md
observed ef7737682980a6cb7428e63ac535164d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:44.683296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052746/publication.txt
observed 8b2c86df4f8d68ceb8f90e790193f715...
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.