OpenTechnical

OT-2026-000061133

Publication integrity record

Six cup vacuum gripper, six 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-2026-000061133) never changes.

Identity and time

Publication numberOT-2026-000061133 · never reused
Internal UUID01a0ae8b-137e-71cf-b2b6-fcb8fd09eb27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061133
StatusPUBLIC

Content hashes

Canonical text69d2c064351d8a1ae9e19754a22f5ede4a23f799bc29cdea586f47b6c0c2436e
Markdown7de24c87dac2a7eb065794f2e1c825f7b2db4c168266dc0ddfeb5ef0e8d27e5f
PDF
Publication page17f05c100346eb7c062f5e9922b36d3ce38d7a3768b5a09b05701bffb14f9a5b
Manifest4cd2b4e687dafe2835969d40b53d6c47fb1235d8803a2e26484a878d0dac57e7

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
SignatureXtI8N0y60ot+T5A5MnK9j2ipwy+yfqluEopdFxVkeTT1nTjZ1e7/CiMrt86JOBE3N6EG2hFMtD/be8NU7u/hCg==
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

2026-09-17T10:42:30.672341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061133
observed 17f05c100346eb7c062f5e9922b36d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.654464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061133/manifest.json
observed 4cd2b4e687dafe2835969d40b53d6c47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.637434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061133/publication.md
observed 7de24c87dac2a7eb065794f2e1c825f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.599890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061133/publication.txt
observed 69d2c064351d8a1ae9e19754a22f5ede...
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.