OpenTechnical

OT-2026-000016587

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pulsed 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-2026-000016587) never changes.

Identity and time

Publication numberOT-2026-000016587 · never reused
Internal UUID01a0ae6e-2d14-753e-aa2d-2d63d8795311 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016587
StatusPUBLIC

Content hashes

Canonical text790a42dbcb2aa074c5dedbdc5bfc1a3a9ec08a04daab53fd42edc6c48b9e2e4f
Markdown668b21367ce2af29a48b3b01f2ce4e7a1f6ec127b0ab81a0e731bcd210c74bd6
PDF
Publication page07344c74d7c0a61806d864a8f8ee0e54fc180748032aad455bff406e787f4b21
Manifest4dc6fcd383fd1e0d7c9a976eade4fd030225d7bf4342e669f22ce7d78e9ecb3e

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
SignatureZpHEDEKHQBQVWrBtpMUxp8VB4ICHgAw3Kko4Gh7kgnAO3r4tVsnXnn8kHnFoIgqFwv5GBFTpSHg+5WOY76V3Cw==
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

2026-09-17T12:04:49.404946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016587
observed 07344c74d7c0a61806d864a8f8ee0e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:49.385943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016587/manifest.json
observed 4dc6fcd383fd1e0d7c9a976eade4fd03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:49.367982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016587/publication.md
observed 668b21367ce2af29a48b3b01f2ce4e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:49.350501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016587/publication.txt
observed 790a42dbcb2aa074c5dedbdc5bfc1a3a...
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.