OpenTechnical

OT-2026-000056441

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000056441) never changes.

Identity and time

Publication numberOT-2026-000056441 · never reused
Internal UUID01a0ae87-4bd2-7840-b6a1-c38f95b6dbc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056441
StatusPUBLIC

Content hashes

Canonical text3dd894b5b05c20d8cc04fc5a860f01533fa7c52bf52e1486b65da7dd7c1ed229
Markdown8c63f2338280766363847e8990660e414fe8b337168102f498c747dab2d2c3fc
PDF
Publication pageb98d9cb072352fb02333e2252ef657cd2ab6ea00a0619b04e72256da0e03519b
Manifeste503d63e8f1c15e814cc48c0d45b3ff2d5072ac2321546cb6f3baa642eeeb64e

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
Signature3E4B0FcDNWFANYMNSp33aXkhVtDFC5hSU9jXmdlndgT0+9kB3MCQT9ByD0nSEciq9tUr6SKB32ZVw1p7135VBw==
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

2026-09-17T10:50:58.533116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056441
observed b98d9cb072352fb02333e2252ef657cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.518003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056441/manifest.json
observed e503d63e8f1c15e814cc48c0d45b3ff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.501750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056441/publication.md
observed 8c63f2338280766363847e8990660e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.484574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056441/publication.txt
observed 3dd894b5b05c20d8cc04fc5a860f0153...
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.