OpenTechnical

OT-2026-000008086

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, vented 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-2026-000008086) never changes.

Identity and time

Publication numberOT-2026-000008086 · never reused
Internal UUID01a0ae6a-908c-7013-9958-78a7f42791dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008086
StatusPUBLIC

Content hashes

Canonical text88e8e1b94e3a1becfc26868962af0e90aadbcba4225a8ee446daa9cd0d25d859
Markdown5e10a10ee2cf39bc15648d361b8a1a1e7b5ca876ea6d05a9b8dc499f7dd8710d
PDF
Publication page9b1029d4382212998763c24fac355084c55eb38233ef81d9039a237da2505cea
Manifest014c618838139294995ee11ab400f5358b738d31cf855f6583fddb0c81dc4020

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
SignatureKWHffQE5ynV97L2dFulz/gGB4BXOAEHRNmyCbUVmGRK3PGK2+DZXzVHuxmgVnJyXv1WNRumCQbM0+5/GLBbZDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:22.494196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008086
observed 9b1029d4382212998763c24fac355084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.474832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008086/manifest.json
observed 014c618838139294995ee11ab400f535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.455810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008086/publication.md
observed 5e10a10ee2cf39bc15648d361b8a1a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.436343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008086/publication.txt
observed 88e8e1b94e3a1becfc26868962af0e90...
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.