OpenTechnical

OT-2026-000043053

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off after 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-2026-000043053) never changes.

Identity and time

Publication numberOT-2026-000043053 · never reused
Internal UUID01a0ae7b-3278-7c5d-bb91-7636a799019c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043053
StatusPUBLIC

Content hashes

Canonical texte36db7a2223ca1d719f16cb98518ad9b37dd2435f16aef992106ba842d5d300a
Markdown88edf2b2404cec4c564f458d4e72b90713c6bfdf00fe09b2c60e2e2048b51e5f
PDF
Publication page4dbeb35752926796fa8ee9ac02c5b83ffc37de7cb2257d46e9c711e8f5f9c6d7
Manifest303e63bce84271d70e0d5a9c2829590fad11c34f30f9631713c4095058e8c44c

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
SignatureCm9yXR5dPwQpmLz4ZyKVs33ghoY7kLlfHg/aCvcuEIO91OEc64w0vpBUtMmRvf1UHJ9NwPiq8u7JvEB6g2wtBA==
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

2026-09-17T11:13:27.612436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043053
observed 4dbeb35752926796fa8ee9ac02c5b83f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:27.593904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043053/manifest.json
observed 303e63bce84271d70e0d5a9c2829590f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:27.575764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043053/publication.md
observed 88edf2b2404cec4c564f458d4e72b907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:27.556861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043053/publication.txt
observed e36db7a2223ca1d719f16cb98518ad9b...
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.