OpenTechnical

OT-2026-000006863

Publication integrity record

Vacuum cup gripper, four zone face, two stage ejector, contact triggered, polyurethane cups, oval form

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-2026-000006863) never changes.

Identity and time

Publication numberOT-2026-000006863 · never reused
Internal UUID01a0a96a-0b6a-7627-a409-5042e59de765 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:34.381178Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006863
StatusPUBLIC

Content hashes

Canonical text5d5bfd0ef025d1b6de85b2aa095c9084402da1218d404a3e189bd3a0e3628d72
Markdown2608c7659d077fe23543fa857214989bea9639c7e124d26f552e16e4fd6560da
PDF
Publication pagee64d7dfb187d961310531090053d36965085441bc9621b51310a2c8f19beca7b
Manifesta79f38b5ad78cffe4243b0a948cbc0921aedcae666e28d726aed30a4f4b19648

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
SignatureqCKWLe1Q8eDy5g8+HObe77nooTXC3e3vpu3jKjC0foxFBsSfikKaRPosJr9QWczS8s4EsTpkocVEBEwDTvpTCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:27.929251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006863
observed e64d7dfb187d961310531090053d3696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.914998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006863/manifest.json
observed a79f38b5ad78cffe4243b0a948cbc092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.900515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006863/publication.md
observed 2608c7659d077fe23543fa857214989b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:27.887644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006863/publication.txt
observed 5d5bfd0ef025d1b6de85b2aa095c9084...
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.