OpenTechnical

OT-2026-000047978

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047978) never changes.

Identity and time

Publication numberOT-2026-000047978 · never reused
Internal UUID01a0ae7f-c422-7f75-9f22-b6e5fdd2e16c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047978
StatusPUBLIC

Content hashes

Canonical text2ee3a108caf0bbdf577dd352d02de28067b7fd74dd8e0ae4cc3fdfab7435c3be
Markdownc417b9869e07d5454577948a13a54387b42ed87bc2f33d7b829d3871984abbac
PDF
Publication pageae8e0d03a7311d7e2a5fd32eb133d1684e3c64c52cc0ad70798db85a295f4030
Manifest462ff9d68a27874b71219b997acb71d2d6df85e97296a7be27ab0dbf12d792f7

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
SignatureTERpIoopzVgUHrJ5OZlZ4oMnDAibrrnziIp1vqWs2+eXt7hOdkaPy9X5X/ztI79bVh1DlqrKzcoulpjLUVkLBQ==
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

2026-09-17T11:05:57.497852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047978
observed ae8e0d03a7311d7e2a5fd32eb133d168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.475281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047978/manifest.json
observed 462ff9d68a27874b71219b997acb71d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.454751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047978/publication.md
observed c417b9869e07d5454577948a13a54387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.437842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047978/publication.txt
observed 2ee3a108caf0bbdf577dd352d02de280...
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.