OpenTechnical

OT-2026-000003573

Publication integrity record

Vacuum cup gripper, three zone face, four outlet manifold, three stage ejector

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-2026-000003573) never changes.

Identity and time

Publication numberOT-2026-000003573 · never reused
Internal UUID01a0a90a-6af5-703c-86f7-3c84d5235e1c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:07.383708Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003573
StatusPUBLIC

Content hashes

Canonical text58f6b57c4e35edf2c51138278b529cb14bc129e2eadc59601d8f926669faa9f1
Markdownc1df6989cef0aff6bb9d6e7e886543659892e430ee02330f9d995f4c490eb88e
PDF
Publication page308c9a0e24dd3be4313e765b8a405c678023b61db7f973ec80069d049c832499
Manifest9ac8bdf365f657bfaa7e0a8a7c9eb206501995390223f97a6e91a930c4396369

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
Signaturedvzb4kzCXAjSHyEdM9vvjenP8luWeag9GbsuIdliTmoF3rnFcyUEovlb0ilIIdmI7puy+9JB2mH3/XaO6/33Cg==
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

2026-09-16T08:40:38.975963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003573
observed 308c9a0e24dd3be4313e765b8a405c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:38.960936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003573/manifest.json
observed 9ac8bdf365f657bfaa7e0a8a7c9eb206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:38.944332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003573/publication.md
observed c1df6989cef0aff6bb9d6e7e88654365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:38.906792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003573/publication.txt
observed 58f6b57c4e35edf2c51138278b529cb1...
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.