OpenTechnical

OT-2026-000049647

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000049647) never changes.

Identity and time

Publication numberOT-2026-000049647 · never reused
Internal UUID01a0ae81-8fee-7e7d-b4a8-90dbe903530d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049647
StatusPUBLIC

Content hashes

Canonical text9789ec419b50eb78317a4a518b9a8a46b8e8b8f7e089de8654177ed2bef67461
Markdown2998d57528e5fdbeb24c20ded191b298d25c7bce0f338ec38951301b8caac1a0
PDF
Publication pageb227d453112c0960c42c641bafb8a66af3a1251130f5bad4deef6db3c85d85ae
Manifestaf941cea17f232e7cb33dc1142765e667495e19035e44c645d6384c063d09d79

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
Signature/7CBI7xU0ndie3rYasTw2nJzKKxYGMSlPHJxNQ44sL7Z/Cfb5LRW/IanqBJ/QkpJP5n4bo5izwnsp8wUOnlIDg==
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

2026-09-17T11:02:38.660831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049647
observed b227d453112c0960c42c641bafb8a66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.641771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049647/manifest.json
observed af941cea17f232e7cb33dc1142765e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.622376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049647/publication.md
observed 2998d57528e5fdbeb24c20ded191b298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.604984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049647/publication.txt
observed 9789ec419b50eb78317a4a518b9a8a46...
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.