OpenTechnical

OT-2026-000003677

Publication integrity record

Vacuum cup gripper, four zone face, six outlet manifold, pump fed, pressure verified, contact triggered

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-2026-000003677) never changes.

Identity and time

Publication numberOT-2026-000003677 · never reused
Internal UUID01a0a90a-b7ce-75f2-ba69-53f68966634a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:27.057081Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003677
StatusPUBLIC

Content hashes

Canonical textb9623d44c8f8c891da8fde3baf346dba1e5dc999937e75b619ffe06a54fb077a
Markdown8762afc32e588c79a0663c2a3d50398c8a4d90160b21e561253e53895087c480
PDF
Publication page0398b297020fab0527f68de8255c2104278a39811da32544336ab90d4498f2a5
Manifest179949e1207760d7b42196dd3c641a480e4d8e818e57e1a7431d58fe8ea44efb

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
SignatureJodu4pz1dCWWP0/69ZIWlzOSqFUagwkEixf8AWDv36nvVsbpSRASsxF2ATuSdO8HObqdRYcVOpI68I99EX2HAw==
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

2026-09-16T08:10:36.443158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003677
observed 0398b297020fab0527f68de8255c2104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:36.428793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003677/manifest.json
observed 179949e1207760d7b42196dd3c641a48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:36.413996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003677/publication.md
observed 8762afc32e588c79a0663c2a3d50398c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:36.399189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003677/publication.txt
observed b9623d44c8f8c891da8fde3baf346dba...
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.