OpenTechnical

OT-2026-000049441

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000049441) never changes.

Identity and time

Publication numberOT-2026-000049441 · never reused
Internal UUID01a0ae81-8f7c-7abf-8c89-ecb6a08456f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049441
StatusPUBLIC

Content hashes

Canonical text30214b73c7a3b152c7394c2690a3f5660411f7c8e8eedccbab199d80968fa43a
Markdownb4cecdc5ebac6396518e8527b2eaacaa74ed29f2d05d4604db8b326c8e1502be
PDF
Publication pagea0d671192ec5af7090091a7674c42384124ac542849461297d09a228b705acc0
Manifest3d6e3fada8170a013fd7da2fc736a8b2b3448368ea75733f96ac461ed59885e2

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
SignatureP6wpWonjDfjqeBsHJrTtPxzwx+x6otSBAnnirrqmXt4dJobE2/33kbVQdXb0gbClh8wZ+xWL1SIzXBv1HBOEDQ==
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

2026-09-17T11:02:16.438543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049441
observed a0d671192ec5af7090091a7674c42384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:16.417815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049441/manifest.json
observed 3d6e3fada8170a013fd7da2fc736a8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:16.399037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049441/publication.md
observed b4cecdc5ebac6396518e8527b2eaacaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:16.380684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049441/publication.txt
observed 30214b73c7a3b152c7394c2690a3f566...
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.