OpenTechnical

OT-2026-000058730

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000058730) never changes.

Identity and time

Publication numberOT-2026-000058730 · never reused
Internal UUID01a0ae88-f39e-713b-b180-fea05d5fc6df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058730
StatusPUBLIC

Content hashes

Canonical text90a68d846a7056b81f5abeeb8e67db0a80552edd74c41370bfa9343a5e74560b
Markdownde6446194532f583ef6cede3b92ad4769d3600731f8878ce1950497c9aaaa525
PDF
Publication page47d1533652c0be4110d95af406f6e0488624b92a33e408e1f01ec8fba5d27389
Manifest9790be75985420654d53240e973b9b900dcaf70a3c2049976919541594002794

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
Signaturek5tYGu+a4e1CC8LY4pXL07pZuT2VHScMuyWGP30IL2bLrtuNbZLHqeJ8QqO7aj6NJaYWx97aFwZTLQV3n/LoCA==
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

2026-09-17T10:47:15.797497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058730
observed 47d1533652c0be4110d95af406f6e048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.779902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058730/manifest.json
observed 9790be75985420654d53240e973b9b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.762155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058730/publication.md
observed de6446194532f583ef6cede3b92ad476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.744286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058730/publication.txt
observed 90a68d846a7056b81f5abeeb8e67db0a...
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.