OpenTechnical

OT-2026-000009453

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, vented 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-2026-000009453) never changes.

Identity and time

Publication numberOT-2026-000009453 · never reused
Internal UUID01a0ae6b-7562-73ab-9231-368fbefa9580 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009453
StatusPUBLIC

Content hashes

Canonical textf3140212046e7fbce1db040a8ce161a5b0d0cd0cd715dfca4f08deba53413043
Markdown9c94e8a69f84f5b5d760118d1094d5844273aa1f470e3eca5e37eccc77116b91
PDF
Publication pagecaa7a484b3cf8ae60b97df09f18e9d2ce09655c7a8d9ef4279dda7d7c162171f
Manifesta0bb1dda084f4fbef68077ce620d9f7f1e71f77113f1ba99c08dc3b39ef2b5a6

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
Signature3IsvEyejDsXR+owX9oNnklAFTUXGrjQuQ5mbHeOpK0XDiIEEUT08wKPULhFRuD9S9o+Iu6en3S4FHmcAgQoxBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:50.241462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009453
observed caa7a484b3cf8ae60b97df09f18e9d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.221675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009453/manifest.json
observed a0bb1dda084f4fbef68077ce620d9f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.201045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009453/publication.md
observed 9c94e8a69f84f5b5d760118d1094d584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.180067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009453/publication.txt
observed f3140212046e7fbce1db040a8ce161a5...
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.