OpenTechnical

OT-2026-000104120

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000104120) never changes.

Identity and time

Publication numberOT-2026-000104120 · never reused
Internal UUID01a0aea5-341f-7529-9f7a-b17f8139eeeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104120
StatusPUBLIC

Content hashes

Canonical text36eb330b4fad7405558c8558ddbee457595961dc2f2f0c9f2db5806bad5c5e69
Markdownd5d95be81796f7f8f786b59e25b57d6b9714ef50819c9c99008795bfbb4000e1
PDF
Publication page32c35c98b993b73822d5f6f1156b50b18207c9e3ce25417b2e3a3d51366e21ec
Manifest412c59f046e3ee84688305ddd32e9e4904b6315a0da4b2282fafdd3546742a13

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
SignatureNj9wUwQ4EeZ01i6AoFE8m2KhufUy4CtiWRMlHp+dILZnTV4OA1UurL7Ya7abP9AxKTM1Lu1rAcgvAtyyEfUKDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:11.883449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104120
observed 32c35c98b993b73822d5f6f1156b50b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.867879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104120/manifest.json
observed 412c59f046e3ee84688305ddd32e9e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.851457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104120/publication.md
observed d5d95be81796f7f8f786b59e25b57d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:11.833132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104120/publication.txt
observed 36eb330b4fad7405558c8558ddbee457...
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.