OpenTechnical

OT-2026-000054974

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000054974) never changes.

Identity and time

Publication numberOT-2026-000054974 · never reused
Internal UUID01a0ae86-5e80-77eb-80b2-53661131703c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054974
StatusPUBLIC

Content hashes

Canonical text21c26e6717782a9f8e37a6e28b3cf6f2b34a4d920a9b7154c7db8f74d9d4e6b5
Markdown604f78dc3a6e33a9c0332565c8029c81e5f563b32fb9fdb401f73c8b8212f41c
PDF
Publication page092804e0b86a27e7b896bc6aaeea670208956c96cee0bf3c9be08b4bf5d0670c
Manifest29c4a02584a96759a6366bcb94cf8d6cb611da2da2601188754df4287ef3a86e

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
Signature5f8HwOz9WCGmVoiHmzO/yNsrzTAHnqtCscmpYMe1rmNOp5/wOaQdprB+kI5UbhlZj/ChoiUpUrfGkFQ8R6gTDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:05.666409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054974
observed 092804e0b86a27e7b896bc6aaeea6702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.646866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054974/manifest.json
observed 29c4a02584a96759a6366bcb94cf8d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.628427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054974/publication.md
observed 604f78dc3a6e33a9c0332565c8029c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.609792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054974/publication.txt
observed 21c26e6717782a9f8e37a6e28b3cf6f2...
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.