OpenTechnical

OT-2026-000026513

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000026513) never changes.

Identity and time

Publication numberOT-2026-000026513 · never reused
Internal UUID01a0ae71-f4a8-7528-ab6e-c91217232b34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026513
StatusPUBLIC

Content hashes

Canonical text4857c1059f28214acc4196390ab74ab5f651d5f9ade89ad432c69d5c8f0ea4d1
Markdown901d79dc1d0643d438763e1e8a6b4e057bf810a28cff7e9e278a0f74fe25f998
PDF
Publication pagef84e74ce3abe69dbaf54185d56d65e0ff9df76d9a209adb21a32ba0d82193e65
Manifest31178e6218288ea32ebd407db1adee2b15bb87886ae5d6509f5e74cbcb327006

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
SignatureDfdeQpVKvq/dAOn7wGvV+ZWQ66vwQjU0NvdR8xZ7SBWjDcMtpNmWUEdVeA0wZEJ+1jnQWrtG/ph3K1LxdYm2Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:38.342639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026513
observed f84e74ce3abe69dbaf54185d56d65e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.325409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026513/manifest.json
observed 31178e6218288ea32ebd407db1adee2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.305423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026513/publication.md
observed 901d79dc1d0643d438763e1e8a6b4e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.282532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026513/publication.txt
observed 4857c1059f28214acc4196390ab74ab5...
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.