OpenTechnical

OT-2026-000010273

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, vented 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-2026-000010273) never changes.

Identity and time

Publication numberOT-2026-000010273 · never reused
Internal UUID01a0ae6b-cb7b-700e-811c-3211aa31af9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010273
StatusPUBLIC

Content hashes

Canonical text74a404e67f35a77cd1ba330e3cabe6233c70e54c403bcf1e02bf8b2b45186417
Markdowncdf497043d81871940ff49c045706c20c165e7b8d528b3cdcafd342b98c446ce
PDF
Publication page553455fd6ed511fc02fb0cdb83104b7f57ce18c5ad95462a5602849612a8e040
Manifest5d70fef3c49128ff05947333875e866591ae4ed47e12f2fcf29d6395b2c9a276

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
SignatureSE1X58SAc6+Gr1usVtPiSHgHiIMPmnvOnzDfVocaTt3QVOelZfG/zN/zBjme45/jM2yOv2GGBkRtvUhwPX1TDQ==
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

2026-09-17T12:16:29.925227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010273
observed 553455fd6ed511fc02fb0cdb83104b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:29.906742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010273/manifest.json
observed 5d70fef3c49128ff05947333875e8665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:29.889349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010273/publication.md
observed cdf497043d81871940ff49c045706c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:29.870570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010273/publication.txt
observed 74a404e67f35a77cd1ba330e3cabe623...
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.