OpenTechnical

OT-2026-000054952

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000054952) never changes.

Identity and time

Publication numberOT-2026-000054952 · never reused
Internal UUID01a0ae86-5e80-794b-8e48-d914490b5628 · 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-2026-000054952
StatusPUBLIC

Content hashes

Canonical text655183e9cb04a369e5bb7884d5cb0c99814833e329c8b9e2e886f88c31616288
Markdownd035068a1339bf90228d2670a1f1830619c3f95738aa4fc496f2c6ec94d25c51
PDF
Publication pagea7498e93c3100c9bb86b106d0dba5284959515b1bd432958c99ef1ac624c0629
Manifestb569152737f2e8e143bc6faf3ccf0034146c4ea35e70ee01f122aaf6cb3b4fb1

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
SignatureEJaaNK3psvaUD5LYGNOzYzKp9x83iTISNZrL7xHpFv7MKNSxbF4plQt5N1ff5Ujmwr/D6CT+Dpv81ykkq0JNAA==
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

2026-09-17T10:53:03.749171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054952
observed a7498e93c3100c9bb86b106d0dba5284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:03.731192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054952/manifest.json
observed b569152737f2e8e143bc6faf3ccf0034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:03.714775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054952/publication.md
observed d035068a1339bf90228d2670a1f18306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:03.696619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054952/publication.txt
observed 655183e9cb04a369e5bb7884d5cb0c99...
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.