OpenTechnical

OT-2026-000074992

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000074992) never changes.

Identity and time

Publication numberOT-2026-000074992 · never reused
Internal UUID01a0ae93-ac2d-712a-b0a2-aa3c34b529de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074992
StatusPUBLIC

Content hashes

Canonical textd005f51e2f09c767e2df27eb27a32ace3e882789ff59454c5b83cbba8b644fbb
Markdownf832f97ed25298c016c58c633188eb6ca021085b4be5b30a0121e5024d84489f
PDF
Publication pagecfdbe80853026e36d8f41f51a07bf2511d4183e3dc5f9f7d1173778c8e9f4db6
Manifestfa39c8d2079197aeac9c79d9a35da1453acefcf92d8c0a0ca24bebfb51d72f8b

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
SignatureyemYGV186gU92lWSKS5Numntpg3ljRmGV2oCz/bNgI+Che9WNNvG9UC6TtT4gi6eUSdpg+WOY3EPJY525NTwDA==
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

2026-09-17T10:18:47.923942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074992
observed cfdbe80853026e36d8f41f51a07bf251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.906303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074992/manifest.json
observed fa39c8d2079197aeac9c79d9a35da145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.887564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074992/publication.md
observed f832f97ed25298c016c58c633188eb6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.870469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074992/publication.txt
observed d005f51e2f09c767e2df27eb27a32ace...
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.