OpenTechnical

OT-2026-000060558

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000060558) never changes.

Identity and time

Publication numberOT-2026-000060558 · never reused
Internal UUID01a0ae8a-b7cc-7311-9116-fe71e75b3939 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060558
StatusPUBLIC

Content hashes

Canonical text9eddb8106990152d753f18161e03baaf2840db95aa6a683e5909beebd7471b5b
Markdown7e4d5c0cf97a451dcf1ad25eb241f7f0129b8af1ad501413b3ff2774ac2e74d3
PDF
Publication pageb56ca75b3e2146d3f4ad169dafa53ef6af7e1b92433c4d510274c09b951b097e
Manifest6e30dd8422871769e90344bc5d6bba9a60bfe78aa02d654f76b7491b074371ac

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
SignatureKZv9DV8DM2f4Zx52ZjOzh9I6VgUB8jud5qTy9C3b9CweLUgFk/cM66DxzpkySsr/6rjghMF9QEZPQKJVABSaAA==
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

2026-09-17T10:43:10.319633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060558
observed b56ca75b3e2146d3f4ad169dafa53ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:10.302064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060558/manifest.json
observed 6e30dd8422871769e90344bc5d6bba9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:10.285559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060558/publication.md
observed 7e4d5c0cf97a451dcf1ad25eb241f7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:10.269599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060558/publication.txt
observed 9eddb8106990152d753f18161e03baaf...
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.