OpenTechnical

OT-2026-000073766

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000073766) never changes.

Identity and time

Publication numberOT-2026-000073766 · never reused
Internal UUID01a0ae93-2b8d-73cb-bc70-382b1842847c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073766
StatusPUBLIC

Content hashes

Canonical text5255cea5aa5ba7deb296f3b1fff94672feb7d385aea70cbf7e573ea70d22235a
Markdownd14e3f4a9b8a6954e84c3d5586baec929066a28f4ddb6aa432c42f1320351345
PDF
Publication page2b05de620a148e5e0f5ddcff6facacffe8a97d44d752a1d632792f12999bf6bc
Manifest1fa6f406092d9fa3b58bcec131e848a81859de1eec880f5446525971050717bb

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
Signature8p+mOtTL7DisPCumnjMY2V4fXF6riKDlPUiiUIyXNMCw0rnQZsUsxicuGOinM7Vouc0WsnB3iYfsXZi4p6lmDQ==
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

2026-09-17T10:19:51.761045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073766
observed 2b05de620a148e5e0f5ddcff6facacff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.738154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073766/manifest.json
observed 1fa6f406092d9fa3b58bcec131e848a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.718317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073766/publication.md
observed d14e3f4a9b8a6954e84c3d5586baec92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:51.696658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073766/publication.txt
observed 5255cea5aa5ba7deb296f3b1fff94672...
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.