OpenTechnical

OT-2026-000053247

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000053247) never changes.

Identity and time

Publication numberOT-2026-000053247 · never reused
Internal UUID01a0ae85-0a14-7432-8f87-e50ad0559da7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053247
StatusPUBLIC

Content hashes

Canonical text837cd5faec911f5839be258d5afab3735195b95838cce005ed6a2b8ac193bcc8
Markdownccd9a3dcfe5c6c878ca81c5a1860eae70b10045d8130908595435a246f8fec21
PDF
Publication pagebdf36dc08a59c7d2548ce89aee42b1afdd6c23d871b04996a00e853596fcb99d
Manifestb6150f8a4f004ccf67841edeb84d1edbc4dadd6107af742a33eb9f33f8e582b9

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
Signature/AUBxZTW051Xl2BfRfDKvdooNG9JPMo9qO5GCG9DGwy7AxwVxL4S12U81HebbW+IRRRqjJat1IskjDKBS/RtAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:56.491194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053247
observed bdf36dc08a59c7d2548ce89aee42b1af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:56.470442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053247/manifest.json
observed b6150f8a4f004ccf67841edeb84d1edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:56.326548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053247/publication.md
observed ccd9a3dcfe5c6c878ca81c5a1860eae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:56.304265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053247/publication.txt
observed 837cd5faec911f5839be258d5afab373...
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.