OpenTechnical

OT-2026-000005420

Publication integrity record

Vacuum cup gripper, two outlet manifold, two stage ejector, pressure verified, contact triggered, silicone cups

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-2026-000005420) never changes.

Identity and time

Publication numberOT-2026-000005420 · never reused
Internal UUID01a0a938-725e-76b1-bf37-7351e4f76e8d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:57:23.937390Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005420
StatusPUBLIC

Content hashes

Canonical textd4a792dad70652443c0f1a2d1884ebc3ffb5a0ff24bea4454301d89e84ce3fab
Markdownd93ac77a97d699c73e04d915593f4fa19eee658b4c6ccb3f1ec382ae0a3e9ab1
PDF
Publication pagec150e7a4262976f48e00afc4f1f41205a170403df5d39280b780509fba69d82b
Manifestd000a6337d08952f0f2a1ea49eeaf38d3aa7e7a0099204432c05a3a459d3ea00

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
SignaturebCp+J2DePAV5/bXGtcKOP5NJiC/cPIPMmPOaLA6qpkQvEepvTXMHWTd7gRLPnSke+4CtAGQed3XUu8//E/U+Cg==
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

2026-09-16T08:00:11.663403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005420
observed c150e7a4262976f48e00afc4f1f41205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:11.650967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005420/manifest.json
observed d000a6337d08952f0f2a1ea49eeaf38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:11.638248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005420/publication.md
observed d93ac77a97d699c73e04d915593f4fa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:11.623176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005420/publication.txt
observed d4a792dad70652443c0f1a2d1884ebc3...
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.