OpenTechnical

OT-2026-000054583

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000054583) never changes.

Identity and time

Publication numberOT-2026-000054583 · never reused
Internal UUID01a0ae86-1283-741e-ab31-abb6125a4182 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054583
StatusPUBLIC

Content hashes

Canonical text91e11ffffb0754ed85cf0eb2a943b1d7067fdac4c322c16c1d4e15aaf9bd3110
Markdown63e440540212f08c4ddf372d9b1e3abeeaef62badbc3ed1412949ad9f27c52b4
PDF
Publication pagec932d5c0b8f1be614ba6baace33df9081034447b40838a7e359848cab3b5b8fb
Manifestf54b2e8462d99da1b1cc2600208221abea62b11bc3ff355044e26c131441b53f

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
SignaturedveLpk5nxnvE3dlt8bWPuASQeLRWUOU1hrmX/jsGkxexc75AlilR8EWDZBkbu4CdqGozvQ9stWTV5fiXpiS6Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:37.989891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054583
observed c932d5c0b8f1be614ba6baace33df908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:37.972731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054583/manifest.json
observed f54b2e8462d99da1b1cc2600208221ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:37.954332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054583/publication.md
observed 63e440540212f08c4ddf372d9b1e3abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:37.936421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054583/publication.txt
observed 91e11ffffb0754ed85cf0eb2a943b1d7...
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.