OpenTechnical

OT-2026-000010355

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, vented before set-down

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-2026-000010355) never changes.

Identity and time

Publication numberOT-2026-000010355 · never reused
Internal UUID01a0ae6c-0ee6-79b9-af98-8e0013e1c950 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010355
StatusPUBLIC

Content hashes

Canonical texte8813ada3ea184409ef64b0223ee3dbc63a526f9ed42c8e9b761e39d10a63bcd
Markdownf31e5c99a93a1cdfdc1038b656cea584b5b799e36dbc9780fd05d805f7c7b192
PDF
Publication page099b87734ad5cfc12c3c0284ed48122c791e7c97dc50571912ac6c7bf8d95927
Manifest8acefa1cd10c6ad223bef1173db0214afd8c578109e4076a6e554c5bcd123df7

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
Signature2mZAg1LpmIgQ6Ga+FDJM5kjqSXbJ5dd0ynciSO3C4EPrptMyYXC3SiHunzUmaUIDuCSvTKa0By4t4idxYmWaBA==
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

2026-09-17T12:14:27.675811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010355
observed 099b87734ad5cfc12c3c0284ed48122c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:27.656760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010355/manifest.json
observed 8acefa1cd10c6ad223bef1173db0214a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:27.637563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010355/publication.md
observed f31e5c99a93a1cdfdc1038b656cea584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:27.615994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010355/publication.txt
observed e8813ada3ea184409ef64b0223ee3dbc...
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.