OpenTechnical

OT-2026-000059701

Publication integrity record

Two cup vacuum gripper, two 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-2026-000059701) never changes.

Identity and time

Publication numberOT-2026-000059701 · never reused
Internal UUID01a0ae89-ec24-77bc-8dd5-2e5b3825afe7 · 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-2026-000059701
StatusPUBLIC

Content hashes

Canonical text39f7d0895a701634b840889be9f87506d1dc95fe16d0f3e662b7bf5ccc1e2ec5
Markdown5c1ceaf9ecba19c16946bd1ae6288007cc5e4f62c1535e6df7802be8ca1e3c67
PDF
Publication pagee7c557a647dd12a755ee3d955a950dfd176d1894c475e85ee9ceab011c767637
Manifest261fe679b7c7b6ddd0b92db2b17fc19a22dfad5af3e48ee91f5c664bc6f00e10

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
SignaturekfTYTBcHDOG98Q7Xzo68INZno8f6cIAiJGjDlt3E52+vabyAO1UQWVEk9GtqgP1726VPvrbUT2zK9hs2yKoqAQ==
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

2026-09-17T10:44:24.645275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059701
observed e7c557a647dd12a755ee3d955a950dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.627370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059701/manifest.json
observed 261fe679b7c7b6ddd0b92db2b17fc19a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.608464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059701/publication.md
observed 5c1ceaf9ecba19c16946bd1ae6288007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.589442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059701/publication.txt
observed 39f7d0895a701634b840889be9f87506...
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.