OpenTechnical

OT-2026-000021174

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000021174) never changes.

Identity and time

Publication numberOT-2026-000021174 · never reused
Internal UUID01a0ae6f-865b-735d-b056-61cc04dbe5f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021174
StatusPUBLIC

Content hashes

Canonical text97ce2bcbf5f8bf004b562f88b28273ae3356f77b9a79bbb45b4b0611805a606e
Markdown1866d90ce2b99f89e57167871357d1bf7b3255d8abbf7d69fe9feb393609a564
PDF
Publication page439d3580d13b98b0424b7c3529c819f4fce5c5e5bfff14bf01025f5995cf2939
Manifestc31e5d01d00c79a82dba5b981017dc539f3eed2f209cc74d208ea5bcf4690758

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
Signature4tmdEy2Cra+j+/QyoHMG2LGAXWgTFxp6DUHOSUMkyi+IXlL+VoCJk3/8f6XA4aVq8bd0tHz6EAyG2y7qLk46BA==
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

2026-09-17T11:54:57.198963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021174
observed 439d3580d13b98b0424b7c3529c819f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:57.080063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021174/manifest.json
observed c31e5d01d00c79a82dba5b981017dc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:57.058929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021174/publication.md
observed 1866d90ce2b99f89e57167871357d1bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:57.039731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021174/publication.txt
observed 97ce2bcbf5f8bf004b562f88b28273ae...
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.