OpenTechnical

OT-2026-000061215

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000061215) never changes.

Identity and time

Publication numberOT-2026-000061215 · never reused
Internal UUID01a0ae8b-1381-78dd-bf9d-dd6deed15263 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061215
StatusPUBLIC

Content hashes

Canonical text7cb8eab30cc414799aaaa91faf810ccf2a5230990165b98c8c5a81f85b49ea7f
Markdown2b1634c6be365d805af1810097c668f9fc3e529490bb09df7a0f2b45b8e5badb
PDF
Publication page1ed69383f5ba515b03169d672afae4464b993b8ea9b4b6a7861d54826c649f1e
Manifesta8da477ebf8cd012a8f36a733e31ea5fc1619a003233417b00c3a8ce50a8fda3

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
Signature8UIxP1oML6sVUhyTn8olrzWgIo8YqxXlqdpmBlYDeQazzy7zYXyIft5b309S7Ez/0nzNC7KM3n2KBMwRudq0CQ==
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...

Independent retrieval

2026-09-17T10:42:37.098883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061215
observed 1ed69383f5ba515b03169d672afae446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.075225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061215/manifest.json
observed a8da477ebf8cd012a8f36a733e31ea5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.054503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061215/publication.md
observed 2b1634c6be365d805af1810097c668f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:36.950165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061215/publication.txt
observed 7cb8eab30cc414799aaaa91faf810ccf...
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.