OpenTechnical

OT-2026-000003708

Publication integrity record

Porous face vacuum gripper, two zone face, six outlet manifold, pump fed

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-2026-000003708) never changes.

Identity and time

Publication numberOT-2026-000003708 · never reused
Internal UUID01a0a90a-ce95-7fa3-b6c0-5a931b515f00 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:32.888333Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003708
StatusPUBLIC

Content hashes

Canonical text3d0492c0f15a94aff952b13cf568cef047aa93cca2cd44c2c3092b0464a1b8be
Markdown0537e56b7dc4fff563aae2d76cc8bed9f4df02ede842926064f1f8b3375c2a95
PDF
Publication pagecbe58af0a1668dfd03c1377e12a50a02642d5865a1039183fa67707a5faf1727
Manifest47c9b461c854191565e2e30461c97b5ab445d4b4dc4ee9507654ea48010aac5f

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
SignaturecvEXLbR0EPJ1Ocq9Tmc+tCHrPek/pcv9uLeHsskSzqCtzDxO3e3LUq2KpvqgedP8oxBJmOjkGbHKFoSteY5SCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:00:35.912851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003708
observed cbe58af0a1668dfd03c1377e12a50a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.898462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003708/manifest.json
observed 47c9b461c854191565e2e30461c97b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.883238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003708/publication.md
observed 0537e56b7dc4fff563aae2d76cc8bed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:35.740863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003708/publication.txt
observed 3d0492c0f15a94aff952b13cf568cef0...
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.