OpenTechnical

OT-2026-000010739

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000010739) never changes.

Identity and time

Publication numberOT-2026-000010739 · never reused
Internal UUID01a0ae6c-0ee8-7f01-bf1f-a8a2dd1a92f9 · 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-2026-000010739
StatusPUBLIC

Content hashes

Canonical text13ced340d970d06f3a309043c05b7e57293f262030227fe6c69473d55c20a515
Markdown4a12d63a5927c1173f36d2b6f00af105f7e214a105c263003cc267cb13bc77e6
PDF
Publication page7673dc916e925fa7f7e094826bcef5349732a065cf009e1e5df4531973b112aa
Manifest766bb986914f8f4ec58afe426e037621b967ed16d904f81f4c152a45fd514570

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
SignatureRjygbvc5dpEFYF5DNMih1SiTGPeeixrmL6Vs0kbX6Ex9wlAMf4BITgS1wj4mZIngZRhN1hp2W3hNhf59LeJ6Ag==
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

2026-09-17T12:14:58.023676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010739
observed 7673dc916e925fa7f7e094826bcef534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.007321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010739/manifest.json
observed 766bb986914f8f4ec58afe426e037621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:57.991214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010739/publication.md
observed 4a12d63a5927c1173f36d2b6f00af105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:57.973567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010739/publication.txt
observed 13ced340d970d06f3a309043c05b7e57...
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.