OpenTechnical

OT-2026-000005576

Publication integrity record

Bellows cup vacuum gripper, six outlet manifold, plant vacuum 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-2026-000005576) never changes.

Identity and time

Publication numberOT-2026-000005576 · never reused
Internal UUID01a0a93d-ce47-76f5-9955-6de631a55cd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:03:15.146057Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005576
StatusPUBLIC

Content hashes

Canonical textf61e7e4cb17d9b249fb290ed4ac812af53486038009734844612e4fd69412722
Markdownd6577f2b79b739a27a625e955d523d75256470616fe8e2696f9d76af4a2378eb
PDF
Publication page30a61c47021fca2835b9da5a143a3cc9f47577516995d9e998ebc894364cbc91
Manifest19098385798e67ccf35666d2cca5fc814a38c5a371db858a3186d1114aeb6de6

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
SignatureWFGQ2j3UKcsaf8Z0lIzf17tZtrYEagMtvd9EvjvLS4EDzFL5jId99XWtovCvEtRsSjLWWo8Vv6oHbs+EtPOYBA==
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

2026-09-16T08:10:24.914894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005576
observed 30a61c47021fca2835b9da5a143a3cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:24.902239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005576/manifest.json
observed 19098385798e67ccf35666d2cca5fc81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:24.887640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005576/publication.md
observed d6577f2b79b739a27a625e955d523d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:24.872610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005576/publication.txt
observed f61e7e4cb17d9b249fb290ed4ac812af...
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.