OpenTechnical

OT-2026-000005153

Publication integrity record

Vacuum cup gripper, two zone face, two stage ejector, contact triggered on the face

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-2026-000005153) never changes.

Identity and time

Publication numberOT-2026-000005153 · never reused
Internal UUID01a0a92f-94c6-7b66-a95d-fe73be2aca66 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:47:42.921801Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005153
StatusPUBLIC

Content hashes

Canonical text2cd6cc83b38c44bd19e09ca0181a815f156fe74f40164d5437dbaf29ea6a748a
Markdownfa0425dac8f9817b32ad8ef6749e57f58b411ac1ece8c76eeb628261a6cae1c1
PDF
Publication page7e67f01435a695342f6b7fd1988543462da51e8505406db7483d03abb00940a5
Manifest0f9b5cc42f4b8ab971d28626a616f5ddf99cc4ebaeef8c11d7a2379972929efe

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
Signaturex6y7h4qJ8k6pdNalzOzchm+CbBHx7BjQAsA4VDdkDTGDLmizDNqljaY3yW87PjbGo+PBMCzbRFoW4XQ8mxDWBw==
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

2026-09-16T07:50:09.649950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005153
observed 7e67f01435a695342f6b7fd198854346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.636180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005153/manifest.json
observed 0f9b5cc42f4b8ab971d28626a616f5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.622238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005153/publication.md
observed fa0425dac8f9817b32ad8ef6749e57f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:09.485602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005153/publication.txt
observed 2cd6cc83b38c44bd19e09ca0181a815f...
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.