OpenTechnical

OT-2026-000028002

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000028002) never changes.

Identity and time

Publication numberOT-2026-000028002 · never reused
Internal UUID01a0ae72-a51f-7881-8912-f66d1630a4b7 · 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-2026-000028002
StatusPUBLIC

Content hashes

Canonical text06d72461d4a77a9a134b814e19097367c8809d7875f9d0b37d6a83998495b4df
Markdown1709c7e2f37de29dff64608b9ec57d13946a7f371cadd85c922ca814696f028f
PDF
Publication page5b48c36d035d8e4511553ffae3f63ca3d13c92e631c10a4b28c7fec5dafb1325
Manifestde9e9159a7af6a2255b64262158fd1f51028b610819c99b38b11755333722dbd

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
SignatureW/BF26kM7e9L8nHbpWL37giZOllU7HYSekBm84yR3X/BWsUS6FrjgXOUUA7tJNxoVNp22hCeRym4UgQ5b1yyAw==
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

2026-09-17T11:42:12.874708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028002
observed 5b48c36d035d8e4511553ffae3f63ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.855804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028002/manifest.json
observed de9e9159a7af6a2255b64262158fd1f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.837367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028002/publication.md
observed 1709c7e2f37de29dff64608b9ec57d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.816969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028002/publication.txt
observed 06d72461d4a77a9a134b814e19097367...
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.