OpenTechnical

OT-2026-000024231

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two 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-2026-000024231) never changes.

Identity and time

Publication numberOT-2026-000024231 · never reused
Internal UUID01a0ae70-e8c8-778f-a4c5-73218bcded25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024231
StatusPUBLIC

Content hashes

Canonical text1f24468c4598fff20b3f08ff9c51ab66a0bc8dea2fe0b3a51dc347d77632234f
Markdown592255f0496ba7bb0a79dde5b4863583f9e30ff892a77de7d01a70d9874dff7e
PDF
Publication page683a3d75c9602843199576011a719af4f05291b3500ab69e99fd02c9122b56cd
Manifestd09ca3ef82983804b701ca01694c548022d3bc865225537cfbf6cd08e35a809a

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
SignaturebsXz6AVY+T/UmnqWo8s2nird9IxWbkIbLTdwbsKExl9QWiKYP7QW4iJjis0iGxjgGImu49Aw4Jn1pjJoCqKnCg==
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

2026-09-17T11:48:42.025482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024231
observed 683a3d75c9602843199576011a719af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:42.003099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024231/manifest.json
observed d09ca3ef82983804b701ca01694c5480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:41.985785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024231/publication.md
observed 592255f0496ba7bb0a79dde5b4863583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:41.968213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024231/publication.txt
observed 1f24468c4598fff20b3f08ff9c51ab66...
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.