OpenTechnical

OT-2026-000059170

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000059170) never changes.

Identity and time

Publication numberOT-2026-000059170 · never reused
Internal UUID01a0ae89-8612-76ab-a5d0-80a00fd4ee15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059170
StatusPUBLIC

Content hashes

Canonical text41b715de9d8b7d6c1953bd42f795f7240089c89b146d062bbfab82d71e6a47ea
Markdown7a3b6520ae7fe837201e5dad46fcf695b8c017682d6991e8e8e7c3250fd273aa
PDF
Publication page9f2d07787fbe4335964d2d761ac54e6cc14a0210eeb0872e6f8fee873f82352a
Manifested75db8896d71441d723f89730d6a97894838c515c39ae618afb0bad013a298e

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/np1vn5jb0Rn23o69a+FM4EMX3BwHqCwVjt0dgWKUyjaTOOn+syakEfuTx8+A4mbgSjGpyJTkp4+V8N543R2Cg==
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...

Independent retrieval

2026-09-17T10:45:06.758830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059170
observed 9f2d07787fbe4335964d2d761ac54e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:06.743657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059170/manifest.json
observed ed75db8896d71441d723f89730d6a978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:06.726232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059170/publication.md
observed 7a3b6520ae7fe837201e5dad46fcf695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:06.686997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059170/publication.txt
observed 41b715de9d8b7d6c1953bd42f795f724...
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.