OpenTechnical

OT-2026-000012287

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pulsed blow-off 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-2026-000012287) never changes.

Identity and time

Publication numberOT-2026-000012287 · never reused
Internal UUID01a0ae6d-39f5-7b21-975c-2de9533f74e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012287
StatusPUBLIC

Content hashes

Canonical textf60429d4c457ac8c70401707029aafd45ae3d7b0e3c82db4519b1b155b4a91d5
Markdownd4c592f94c315c060b278c629341955f104fc57f48c676b72c413497a4158612
PDF
Publication page9413e4a677e4e71a939d24dcdc49916b96c64c1c58c36af3dc9a39c1a748a253
Manifest3fd01eeb8b4fe3b5303766271f61600aece2cb534a7e2874f5057d27279970e2

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
Signatureimp//D3tY/kP8IFyDFuGVzuToBIh0MOLUD8CAleyCpc9Cp1E74Mwi6HuNYTCFA/X8vbwBg8mFYFnxbh1iKIXCw==
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

2026-09-17T12:11:13.656371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012287
observed 9413e4a677e4e71a939d24dcdc49916b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.637948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012287/manifest.json
observed 3fd01eeb8b4fe3b5303766271f61600a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.619580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012287/publication.md
observed d4c592f94c315c060b278c629341955f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.600930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012287/publication.txt
observed f60429d4c457ac8c70401707029aafd4...
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.