OpenTechnical

OT-2026-000023215

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000023215) never changes.

Identity and time

Publication numberOT-2026-000023215 · never reused
Internal UUID01a0ae70-7267-75c8-a04b-6467bb32f4af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023215
StatusPUBLIC

Content hashes

Canonical text592d87a3663334d266671df32a4044a30e9f53ee02d17e1c466a61c12a026ec4
Markdown30f074442e22e66c7ac811a4ffc945025a9839ef6bcb0219a7b150390f3ac288
PDF
Publication page4a5cf192f3e3e9a9c813db5ba31dc6a6cce23099b63bd3c8ad06cc115014aa20
Manifest805c48f7966dd92c767f2a91ce81b3f66a51ef1bbbdb67ed748621e67469f275

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
Signatureg5X+QtHAdJwDBlOc0sMyO/G2OdEggwQLx2+ecZ/PSotSob6G3PFqllMizVWW52Ov6XsdANgYi/x5AYO41+s6CQ==
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

2026-09-17T11:51:16.203563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023215
observed 4a5cf192f3e3e9a9c813db5ba31dc6a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.186114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023215/manifest.json
observed 805c48f7966dd92c767f2a91ce81b3f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.168283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023215/publication.md
observed 30f074442e22e66c7ac811a4ffc94502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:16.149148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023215/publication.txt
observed 592d87a3663334d266671df32a4044a3...
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.