OpenTechnical

OT-2026-000026658

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000026658) never changes.

Identity and time

Publication numberOT-2026-000026658 · never reused
Internal UUID01a0ae71-f4aa-7d0a-aa70-1db76b30e534 · 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-2026-000026658
StatusPUBLIC

Content hashes

Canonical text83a73d3cc6b211a14a9eb7d4ae86b2744b5fac833d04e3fbec07a44e4086d6eb
Markdown62387a94818325055803b0a7a1a388e0f2eea0c13eee5b7e74bb49cbf4303ea4
PDF
Publication paged948d60a1975b82ad86cd57774b76a7767b80484a601f2cf9c726f0261b33837
Manifest0951be9621d07761a3d47ca92f65da29b8cf23ebce70f0ad9d770eee9613cd13

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
SignaturenkMLF+kk6iO8ALfBhL+V/DbxbM2LRQF3LsgDCtKEh3WQMgtbwaXyKilqmeFuVgdM6CAVXDtzi+OQunNlya7FCQ==
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

2026-09-17T11:45:44.413698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026658
observed d948d60a1975b82ad86cd57774b76a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.396229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026658/manifest.json
observed 0951be9621d07761a3d47ca92f65da29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.378659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026658/publication.md
observed 62387a94818325055803b0a7a1a388e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.357713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026658/publication.txt
observed 83a73d3cc6b211a14a9eb7d4ae86b274...
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.