OpenTechnical

OT-2026-000048135

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000048135) never changes.

Identity and time

Publication numberOT-2026-000048135 · never reused
Internal UUID01a0ae7f-c424-769c-a65c-9b21eac508e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048135
StatusPUBLIC

Content hashes

Canonical texte116ebc87259b5cd22f7c18f6d0f617fd8e4749876cd9dcc7cf66a67bd2ab6f8
Markdown46214d8dc4f51c38602e171a2013fdb4823d335e79562b0f526844574289bc57
PDF
Publication paged1bdecf3b430c2f2f1f5f687ecd317d751e76cdb3c5fcb3024a17b1ec282885e
Manifest279d6711b1102a757d851c3624c06d24041bbe6d1d6df0aba4ec0d0a91a07e1d

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
SignaturedgZAlnCV9s9sKhkGMDFRzRkIS79VZvyesauNZ3S3QlXQzKRfza0uDpws11mcZtutz4GuRHESmuS6WgEydjdVCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:10.553436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048135
observed d1bdecf3b430c2f2f1f5f687ecd317d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.536934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048135/manifest.json
observed 279d6711b1102a757d851c3624c06d24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.518956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048135/publication.md
observed 46214d8dc4f51c38602e171a2013fdb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.499801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048135/publication.txt
observed e116ebc87259b5cd22f7c18f6d0f617f...
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.