OpenTechnical

OT-2026-000048651

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000048651) never changes.

Identity and time

Publication numberOT-2026-000048651 · never reused
Internal UUID01a0ae80-c32a-7c22-8268-dd81a009f31d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048651
StatusPUBLIC

Content hashes

Canonical text0238d3a6e2b347825028b10cf5c64359366be38d5889d9afab8229c51b9d26e0
Markdownb875539d9046e3af75226ddba595b7ba61d2dae5600abd2186077e188801fda6
PDF
Publication page47791f850e867709014d0225e490536e2132d1d33364e1fc58c2c379f94f5535
Manifestb0b108d16de531575a4e01954ed9a8ccc51c6d45f41e4815ed7f4bea00edf531

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
Signature4x8Cc9igYVbdKkRQfqoOlAfM8cmS39yxukdbAZv1LdeW++9QX6YdFAgn4P7OAUcjy0f11Zi6/ls3wEdY/2ubAA==
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

2026-09-17T11:04:15.886638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048651
observed 47791f850e867709014d0225e490536e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.865881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048651/manifest.json
observed b0b108d16de531575a4e01954ed9a8cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.847386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048651/publication.md
observed b875539d9046e3af75226ddba595b7ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.828169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048651/publication.txt
observed 0238d3a6e2b347825028b10cf5c64359...
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.