OpenTechnical

OT-2026-000007181

Publication integrity record

Vacuum cup gripper, ejector fed, contact triggered on the face, silicone 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-2026-000007181) never changes.

Identity and time

Publication numberOT-2026-000007181 · never reused
Internal UUID01a0a975-a085-7c22-9746-1765b5c6a301 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:13.448254Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007181
StatusPUBLIC

Content hashes

Canonical textb0f12d036f7ba4c18f68121748bd393ab52d69a97bd70395f312abb776b92736
Markdowndd21b8caf3ecfc0fda36c45c551800f7c8872b914d6aa7f032f8535c24b4245a
PDF
Publication pagecd25d913730d2fa411236b4c387a70ddfdbe6ff5cf9a06d54e009213be7ce729
Manifesta81f77316f26c6cf69e7f20add732b4c832d72e5979d0728183b3e61f78d2b20

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
SignatureJf2xcA+Lpu29d1mqTgh8htry11JY/JEiNXZc7HH33qblk7AOsYNSsMYKytmpRLR6b5aVKJDfOcROF4LA3VYWBg==
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

2026-09-16T09:10:18.477741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007181
observed cd25d913730d2fa411236b4c387a70dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.466943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007181/manifest.json
observed a81f77316f26c6cf69e7f20add732b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.454532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007181/publication.md
observed dd21b8caf3ecfc0fda36c45c551800f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.441363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007181/publication.txt
observed b0f12d036f7ba4c18f68121748bd393a...
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.