OpenTechnical

OT-2026-000074200

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000074200) never changes.

Identity and time

Publication numberOT-2026-000074200 · never reused
Internal UUID01a0ae93-7178-7534-984d-9b9387805e13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074200
StatusPUBLIC

Content hashes

Canonical text956ef0e586f803b53b2301b6f97c0d004c5103f25930f75104d196350ec87499
Markdownf7ccf8638f70234fbce26f3a99229fc29021bed1c610261b91eeced29506dce0
PDF
Publication pagedd1b35aff15069aac6e2ea6a9412ab3e43ea096aafb3fc330e533c57e6f33447
Manifest694427ccfc241750fe2d7fe35fe70e9933c21ec0c9d1c8ee54e2f9208ca0bd96

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
SignatureAx3e41Y+qo66QEIdfaxM3S1jcxaDzukVFjC8KPG7XDJc87cE9Ox2m8/mpT97I6QxwWd3mMtzadLFvfT2hBQGBg==
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

2026-09-17T10:19:03.388742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074200
observed dd1b35aff15069aac6e2ea6a9412ab3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.370384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074200/manifest.json
observed 694427ccfc241750fe2d7fe35fe70e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.352789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074200/publication.md
observed f7ccf8638f70234fbce26f3a99229fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:03.333949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074200/publication.txt
observed 956ef0e586f803b53b2301b6f97c0d00...
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.