OpenTechnical

OT-2026-000041872

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, pulsed 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-2026-000041872) never changes.

Identity and time

Publication numberOT-2026-000041872 · never reused
Internal UUID01a0ae79-e8a5-7440-b2aa-bcc5d632e148 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041872
StatusPUBLIC

Content hashes

Canonical textf163594a6faebed6a82ebe06b917d3589298b6d578e2bf133362b48e209a5550
Markdown716a41043cd63336a5e7aa6f1eb0e8ab9f48db3cbd183db6ce7d8e69bb8f4bc4
PDF
Publication page9f4b520cf8409d50ef9065a8bb59a19996cb163a595b38e9e06882f1cf29cae8
Manifest54d26869860366706496a7e8997d37b1b36605b5bba7f4665b8c8dcb7bff06b7

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
Signature472S+EuIVam3o5M9EJu6mPqPX2yTWxDT43yhcgIJ8bZO8FOhG18CCeRTSQ645WWNvOKEg4rIvRvpnmq3n12ZAA==
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

2026-09-17T11:16:44.728210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041872
observed 9f4b520cf8409d50ef9065a8bb59a199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.711781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041872/manifest.json
observed 54d26869860366706496a7e8997d37b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.695052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041872/publication.md
observed 716a41043cd63336a5e7aa6f1eb0e8ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.676847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041872/publication.txt
observed f163594a6faebed6a82ebe06b917d358...
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.