OpenTechnical

OT-2026-000005591

Publication integrity record

Vacuum cup gripper, two zone face, four 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-2026-000005591) never changes.

Identity and time

Publication numberOT-2026-000005591 · never reused
Internal UUID01a0a93e-4e3e-799e-a6a0-622808e2657e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:03:47.904667Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005591
StatusPUBLIC

Content hashes

Canonical text9a265c5bae7e032fc02c149291ec0b7e178005b25de6d78f2489095182c6171b
Markdown19780aa2616422eeae7bfd4c094551f621d70113d6cd4b13c714fbaeac55a3d6
PDF
Publication page5e4ae25f38bcfaeed302b5a15155341b2d407efcb755d4472ccfe549e69916c8
Manifestfc11be35c9bf1f0f98a70d2d2d800ad287fce69b65c870e7bc56c876ea84061f

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
Signaturef6XT7Ebrgil4emlz9lN/KmZeS9J13YC4pMfvLpeNelLUk5EFVaCWA1zsZYsP5r+o3rbrTvmSuGZI5fiPdcb9CA==
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

2026-09-16T08:10:23.196978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005591
observed 5e4ae25f38bcfaeed302b5a15155341b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.182928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005591/manifest.json
observed fc11be35c9bf1f0f98a70d2d2d800ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.169240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005591/publication.md
observed 19780aa2616422eeae7bfd4c094551f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.153835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005591/publication.txt
observed 9a265c5bae7e032fc02c149291ec0b7e...
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.