OpenTechnical

OT-2026-000085573

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, sustained blow-off 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-2026-000085573) never changes.

Identity and time

Publication numberOT-2026-000085573 · never reused
Internal UUID01a0ae99-aaac-7f2b-a782-8f2d09b71620 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085573
StatusPUBLIC

Content hashes

Canonical textef6b8f570f4e895c05541f3edb89d59b60161615064452bb7fa43dddbc51d7f7
Markdown4ef5ce08b40557b5beacad0daf2d2a41d168d598731c72bf1139dc2fbd5f2322
PDF
Publication page8e815b203d45bb2f164d4f33fef49c95e0ce77ce5d0d5768d8cc6c10a778ee03
Manifest833d78c9f0b0633e3adccaf9479132dbb02ba6a5cb214b8b3c42869fd55a13c9

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
SignaturevdHis9lnAmtuoHhCt4olEttny62ouy1hxeFVjcreTVFTUudO+XB5Q2E+u3DlXL/p09znxbsmPr0mSN9ojpwhBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:26.471871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085573
observed 8e815b203d45bb2f164d4f33fef49c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:26.454200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085573/manifest.json
observed 833d78c9f0b0633e3adccaf9479132db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:26.436591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085573/publication.md
observed 4ef5ce08b40557b5beacad0daf2d2a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:26.419116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085573/publication.txt
observed ef6b8f570f4e895c05541f3edb89d59b...
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.