OpenTechnical

OT-2026-000016577

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000016577) never changes.

Identity and time

Publication numberOT-2026-000016577 · never reused
Internal UUID01a0ae6e-2d14-7bc0-bbaf-5964d5e30dfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016577
StatusPUBLIC

Content hashes

Canonical textcbc9d563ea5d889a5c92f060fa6ce219ca05bb7e75524dd9b6f2009d97fdc654
Markdowncc51d1fa7eaeb2683d8ee9dba6b5a4f57c1401a071232caa232ca5943a4053c1
PDF
Publication page2733a6b119ef14a1c112ab39e3fb6c947a8a38b801e3e116163d33182a2ea604
Manifestfe2ef8ddeac350d09b6c1129e7d79b3c92783579df0c2c7bfb80d7fad70e1cb0

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
SignatureAt7o3ynqOPhlK4vlK6crrCS8xc91V1S9D5VwnbFwEOpi41BJ8MzSClmlY9kqLoQ77IOx+Zwp5eTIEM9qr2rlAg==
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

2026-09-17T12:04:48.622987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016577
observed 2733a6b119ef14a1c112ab39e3fb6c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.606278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016577/manifest.json
observed fe2ef8ddeac350d09b6c1129e7d79b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.588507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016577/publication.md
observed cc51d1fa7eaeb2683d8ee9dba6b5a4f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.569527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016577/publication.txt
observed cbc9d563ea5d889a5c92f060fa6ce219...
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.