OpenTechnical

OT-2026-000077012

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000077012) never changes.

Identity and time

Publication numberOT-2026-000077012 · never reused
Internal UUID01a0ae94-b071-7bec-a4e3-dd7746a8ebe8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077012
StatusPUBLIC

Content hashes

Canonical text9d4a7402449bc261d32f7c99887204669c3c5524f741a246ad44f9ae7b0c7792
Markdown4e1fc686eb93b18aa84e6cd9592497cb30d2fb56f9e2e416359c1b47ab0aa719
PDF
Publication page41f535a9d6ab35ec245d1d73769578ee3474b429a048884db9b3dcc6088cb161
Manifest1da3a3cc2c92f01686b3a886da433234b19ccc8a5eeb686b319dc49243a20563

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
SignatureL2s+DFKZSXRIcBfZKjptNXQvPOH2EkASboMCcA5KeYv34AmQjUdetmiSnuhmiwFdbuAPMu5ooc1gSMJ69VpdDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:10:23.006783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077012
observed 41f535a9d6ab35ec245d1d73769578ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.978503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077012/manifest.json
observed 1da3a3cc2c92f01686b3a886da433234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.956719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077012/publication.md
observed 4e1fc686eb93b18aa84e6cd9592497cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.808199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077012/publication.txt
observed 9d4a7402449bc261d32f7c9988720466...
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.