OpenTechnical

OT-2026-000054880

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000054880) never changes.

Identity and time

Publication numberOT-2026-000054880 · never reused
Internal UUID01a0ae86-1285-792e-802d-2133072ae014 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054880
StatusPUBLIC

Content hashes

Canonical text1b70c35a31d665770e3b4d8787a7374da24d2ffe2f81bcccbc6babf89a4db111
Markdownc4d743c6445f567a4f082ffaed4c5f681dade5d7e4267a3800e3fae89b8ff4f1
PDF
Publication page45eef147bce1671d933cfa83de27c8a6e336ffd8a022f134685bce2893f924ce
Manifest006ca2da262bfe0a8e6b6462cd4cda17036b047c0929ea5c4c1ee799bc397c58

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
Signature6kQ9NOKqQRTaO3VAx7NdqbPIH8OR7YzdPo9BuSJ+vQ5knaSIwaKitDLrkB9QQujyv6zkm86bNgxVjMj3yimkBg==
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

2026-09-17T10:54:06.229085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054880
observed 45eef147bce1671d933cfa83de27c8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.211418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054880/manifest.json
observed 006ca2da262bfe0a8e6b6462cd4cda17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.192040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054880/publication.md
observed c4d743c6445f567a4f082ffaed4c5f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.174310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054880/publication.txt
observed 1b70c35a31d665770e3b4d8787a7374d...
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.