OpenTechnical

OT-2026-000072275

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line 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-2026-000072275) never changes.

Identity and time

Publication numberOT-2026-000072275 · never reused
Internal UUID01a0ae92-47c3-7620-8602-f0254a7313c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072275
StatusPUBLIC

Content hashes

Canonical textaa356be8d80dd61b3c6789c18906a9de4d984fa696d6ad787df1023096443bdf
Markdown216193bbdfcf3f60557edfe7cc4ba25c08b772001394413ab547d6b642ab336b
PDF
Publication page98d616c62ed897ff326851917f21f0d9575a17a6f7295af3e14d68c1a9e24622
Manifest34f9e1ab590146dda26e3e1e1d826bd80c9ba6f73a4db83fb7ec9600649dc85f

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/GLYhaJkMm2YfHeXFjbO0++TmwmvVqtDZ9G1gcrMuErZknKvxudKvmO77iauqFlJUG6ak07pCkR/LEJITxmACQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:23.312574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072275
observed 98d616c62ed897ff326851917f21f0d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.296855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072275/manifest.json
observed 34f9e1ab590146dda26e3e1e1d826bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.279322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072275/publication.md
observed 216193bbdfcf3f60557edfe7cc4ba25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.263045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072275/publication.txt
observed aa356be8d80dd61b3c6789c18906a9de...
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.