OpenTechnical

OT-2026-000017872

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000017872) never changes.

Identity and time

Publication numberOT-2026-000017872 · never reused
Internal UUID01a0ae6e-96fb-7ae8-897f-3b445ee69d19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017872
StatusPUBLIC

Content hashes

Canonical textcd00aa1e8e454a78ea6d97b93f82119f16fba6fbc808dcb1f5e3c41c63131d72
Markdown671097e8125e5ab9a0c20c1079f868e382708f6652910e1a14a7e8831121185e
PDF
Publication page4283f2a3a1314faf2c892cef0aa48f6c709b8ebd35425fb94a6cc25c778a4376
Manifestace4a8001aa2b3c1ac8ce7df9cc9e939fd762eb6062291341b4125da3bd1d1a8

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
SignatureiHAFIdUdilmliSv4b/knmvyFni15Rt2RDa4weXi7SnriB4dIJqrqX1LEOiqqOXRZnT1T7K48wrDQl7Lke1pzAQ==
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

2026-09-17T12:01:51.497197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017872
observed 4283f2a3a1314faf2c892cef0aa48f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:51.481995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017872/manifest.json
observed ace4a8001aa2b3c1ac8ce7df9cc9e939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:51.466060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017872/publication.md
observed 671097e8125e5ab9a0c20c1079f868e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:51.449906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017872/publication.txt
observed cd00aa1e8e454a78ea6d97b93f82119f...
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.