OpenTechnical

OT-2026-000059531

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000059531) never changes.

Identity and time

Publication numberOT-2026-000059531 · never reused
Internal UUID01a0ae89-ec23-72ae-829e-470342675f78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059531
StatusPUBLIC

Content hashes

Canonical text9f76806f687d508ffb0bd9956153a13fba8e949a75376e706642a8b30be638a9
Markdown09c296482b39d815540da246c901a8f421f609a32cf40fc20a9c09a669cb3bd1
PDF
Publication pagedd72a0d96b2d52b3da63c95378dc01279ec92ad97645d04a350017209ec13468
Manifestc9d06dda7722b20760a786edade0068dad0a384eec02cb2cce3d620570e442a1

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
Signatureq582FclLLcuR8JZ7VDzLc2JMPhOf+w0+1z9oDwAS9xeogoK0zmBMFVUX13yFveeY7pRS189tUbn46PTusin2BQ==
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

2026-09-17T10:44:08.851088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059531
observed dd72a0d96b2d52b3da63c95378dc0127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:08.829208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059531/manifest.json
observed c9d06dda7722b20760a786edade0068d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:08.807093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059531/publication.md
observed 09c296482b39d815540da246c901a8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:08.781013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059531/publication.txt
observed 9f76806f687d508ffb0bd9956153a13f...
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.