OpenTechnical

OT-2026-000056030

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000056030) never changes.

Identity and time

Publication numberOT-2026-000056030 · never reused
Internal UUID01a0ae87-0a4a-7bdd-b268-e77f45080333 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056030
StatusPUBLIC

Content hashes

Canonical textb15b80c3851e56a684a328d82b9f3b7d67606055b92ef8dbbf11f1b63f80cfe7
Markdownfe56d185be39fb55eec9c3366d6b2a1e414b4e54c79b1686e34595307c72716f
PDF
Publication page9afc66931513345cdc988e75bd955511635cc96662884f70ec3fded86fe2c2ec
Manifest56e1bbe5f6a7d4982c69dcb0519eac960d9a4788dee6b49cf8b4533c14fd0895

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
SignatureOYMBxz8ktVmJQMy6I8oOzqiQc431DeZrp72Y974PpZE5zRgmg77pcjOoOehBG8nJsdWB+H62CgJk8Bhaq3QDCA==
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

2026-09-17T10:51:33.527187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056030
observed 9afc66931513345cdc988e75bd955511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.509986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056030/manifest.json
observed 56e1bbe5f6a7d4982c69dcb0519eac96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.492292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056030/publication.md
observed fe56d185be39fb55eec9c3366d6b2a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.474758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056030/publication.txt
observed b15b80c3851e56a684a328d82b9f3b7d...
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.