OpenTechnical

OT-2026-000066847

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000066847) never changes.

Identity and time

Publication numberOT-2026-000066847 · never reused
Internal UUID01a0ae8e-ce43-79f2-81d8-f83a69fc916e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066847
StatusPUBLIC

Content hashes

Canonical texta5d4bbe1cd69e9709b41a4b4e22bb9a4b203fa9f7fb3c1fcd1c8532cb60ec039
Markdown26a0e5807637d99bf266c022f61f405f645e7610911cce4243f77bd018fd8e82
PDF
Publication page092fe308f591edbe578eb0d10fed5b5c4645de5d486ed444ba6a2a53ec2c2527
Manifest3a7c1cdce4ad082046847fda87d36ba1532969f83be72b53d6becfb7958cd88c

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
Signature5Mmf3OKK7GAZmWxbC/NHAZL+5zewNTqLFaLD1DF7D03WowB1fKzIAc3pluuy782u266tglMytaOrrLx9ERDIAg==
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

2026-09-17T10:33:17.169752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066847
observed 092fe308f591edbe578eb0d10fed5b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.152457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066847/manifest.json
observed 3a7c1cdce4ad082046847fda87d36ba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.136026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066847/publication.md
observed 26a0e5807637d99bf266c022f61f405f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.117157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066847/publication.txt
observed a5d4bbe1cd69e9709b41a4b4e22bb9a4...
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.