OpenTechnical

OT-2026-000072248

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000072248) never changes.

Identity and time

Publication numberOT-2026-000072248 · never reused
Internal UUID01a0ae92-47c2-70cd-bbd7-0f35242deaf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072248
StatusPUBLIC

Content hashes

Canonical text7b82eee0abf3ec2b0efa027ef80f5bf4cddb032214fa61753da00c144c8fb25a
Markdown61977b81d93abd610cf3d7e45702089de33be5513da4b4bbcc6fd089203b521e
PDF
Publication page80b7d401963ba51bf2d1836af9874449834ee9ddc8113413f84d868fa5befd41
Manifest3ed1754f587b4c42323f0abb618c6287d889e6dfa0cc136e2da54457f130b870

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
SignaturebMSAJHEcl2CTQ1n6bW3zuihMYqRmCxMJnDp8QHqkTamy0ufQZnqmRuA4GxgxKdLYbrmrOPGRTtGYRP3mOlH8Ag==
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

2026-09-17T10:23:21.407416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072248
observed 80b7d401963ba51bf2d1836af9874449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:21.390771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072248/manifest.json
observed 3ed1754f587b4c42323f0abb618c6287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:21.374571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072248/publication.md
observed 61977b81d93abd610cf3d7e45702089d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:21.358110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072248/publication.txt
observed 7b82eee0abf3ec2b0efa027ef80f5bf4...
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.