OpenTechnical

OT-2026-000005616

Publication integrity record

Porous face vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000005616) never changes.

Identity and time

Publication numberOT-2026-000005616 · never reused
Internal UUID01a0a93f-1d57-7f2e-88ef-441bbf05da35 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:04:40.922063Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005616
StatusPUBLIC

Content hashes

Canonical text176f000ce3947b8efebd8ea029a0eb1b15dfce6a3f62b5ceda3874e1fb3a5322
Markdown2473f4aed6f1aade5d2b43fa6ceb062e84fe62e7e4d49645bf8924cf26e45cca
PDF
Publication pageb0f66944296bc55ef04039f6330fb4fb38fad0ab587f07da889ce7e8280e02ec
Manifest0ef44f3dd4712b2ff5b7e286f864f4444557d1667b9e816bcda38916c2d6a9fc

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
SignatureoOc5WNdeSmZCK1XikIF16ub6evMbTCQYqdxvpjWBnYO3J/A51UNzzsi07Wb5ubdbg3f2Rzk3NEMjjt8jzttOAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:20.411488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005616
observed b0f66944296bc55ef04039f6330fb4fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.397993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005616/manifest.json
observed 0ef44f3dd4712b2ff5b7e286f864f444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.382576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005616/publication.md
observed 2473f4aed6f1aade5d2b43fa6ceb062e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:20.246086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005616/publication.txt
observed 176f000ce3947b8efebd8ea029a0eb1b...
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.