OpenTechnical

OT-2026-000080201

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, sustained 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-2026-000080201) never changes.

Identity and time

Publication numberOT-2026-000080201 · never reused
Internal UUID01a0ae96-7e76-7a6b-b0b2-ea847cc461fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080201
StatusPUBLIC

Content hashes

Canonical text872a534138e9d14256bc03b81dd159a8ea09668ff34532378ef0b61c6d086717
Markdown29544a225518e457a590b2097d972c201d321060fd27a5f8261b397c8647cda4
PDF
Publication pagecfd3902ce52a8adaaf58ea2cf7a747eb24be880ca0452ab701755528830eafa7
Manifest39635828624d6cd2e75dcc5e23afd1821fdc8e39a3d9d3a42945eeb5cd2fb612

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
SignatureLw6QS3vv7R/rqG0xTSddvoNmUIbf6ZMkL4cNaS2KblBxEpJN3wxsLv4os0kPo+pQLcMEEOc0wbh+3NmmS90EBg==
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

2026-09-17T10:02:38.818303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080201
observed cfd3902ce52a8adaaf58ea2cf7a747eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.798715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080201/manifest.json
observed 39635828624d6cd2e75dcc5e23afd182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.780482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080201/publication.md
observed 29544a225518e457a590b2097d972c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.763072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080201/publication.txt
observed 872a534138e9d14256bc03b81dd159a8...
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.