OpenTechnical

OT-2026-000027832

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000027832) never changes.

Identity and time

Publication numberOT-2026-000027832 · never reused
Internal UUID01a0ae72-a4a5-7615-9bf4-09326faea92b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027832
StatusPUBLIC

Content hashes

Canonical text785d06f10c330614365f6dc898a3fff625e3336880b7d66f285f9cd1a5dad3c6
Markdown5f62162a86504760956b24ced4f5d8cddf971d158cc36390a7f8920cc74f45b1
PDF
Publication pageed31487b8059de430c4bd9e6dfd559c2eedd09564815c4a3b6e28925726cc3d4
Manifest40cceff22b1253b2b6897d316923bf8db9130579efb78ec8cdbf0b490c58aeea

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
Signature2seS9jLRCsifw7PIQANgD+EmIMlF9Iq2gfI34Zg6D2wFxixGt+K4cvRXRE2rVL6R58K5jSOmYbdrbc29WcDpCA==
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

2026-09-17T11:41:53.183655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027832
observed ed31487b8059de430c4bd9e6dfd559c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.166395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027832/manifest.json
observed 40cceff22b1253b2b6897d316923bf8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.150107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027832/publication.md
observed 5f62162a86504760956b24ced4f5d8cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:53.134182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027832/publication.txt
observed 785d06f10c330614365f6dc898a3fff6...
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.