OpenTechnical

OT-2026-000033634

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000033634) never changes.

Identity and time

Publication numberOT-2026-000033634 · never reused
Internal UUID01a0ae75-a38f-7dad-90fa-05a0f1f24307 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033634
StatusPUBLIC

Content hashes

Canonical textd3dcb92d706952406d875bab3d08fa6cdf302f1b20eac3bf98aeb1352bca730e
Markdownefe815cbd3c1fe0c0b561561b40802892e7a1cb85a9890797e473662ae86d3b6
PDF
Publication pageb8a1cb0dc58238433bc6292575b8bb49ace7849c578f1ebc79fc63275336eb78
Manifest7985a64a5f6113344d79582772ca7955792b6bcb1492dd40963825ff049b5550

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
SignaturePsoXdjT4H+x2v7qfujSvoWdiTkjr4KxOsmxEHxg3ZFmnFc2jXhI2CFPHvgFYKTuoo/gYzO0/Cx5MwtEHBck9Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:36.876071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033634
observed b8a1cb0dc58238433bc6292575b8bb49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.857200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033634/manifest.json
observed 7985a64a5f6113344d79582772ca7955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.838471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033634/publication.md
observed efe815cbd3c1fe0c0b561561b4080289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.820724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033634/publication.txt
observed d3dcb92d706952406d875bab3d08fa6c...
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.