OpenTechnical

OT-2026-000054752

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000054752) never changes.

Identity and time

Publication numberOT-2026-000054752 · never reused
Internal UUID01a0ae86-1284-7331-b531-bd90c5982d28 · 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-2026-000054752
StatusPUBLIC

Content hashes

Canonical textdec6a3c09f36e9dd1e1e586951812cf63c4acce9abcb9bb504eb873ff33eb826
Markdowna7b936796fcd75fcbf705ee56a70e54965b23b812a7f9530907336a6db7bc0aa
PDF
Publication page613de9d5cec5208c6e430b6cb4dcb4bd3c7b6f67cb73d537544e11379db6c352
Manifestd60fa8c6fcd518e732a4069cfaf391fc5d3350354e0823cea6f01be694b88f57

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
SignaturexopxSuHPExB4HcnJz+I2Lpa2AK8ucVFDHGiHIQ8UU5pVlmxKbQW6HoHAD6A5aj4teuNg9ixu7IBlth57SKAYCA==
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

2026-09-17T10:53:56.429791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054752
observed 613de9d5cec5208c6e430b6cb4dcb4bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.410936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054752/manifest.json
observed d60fa8c6fcd518e732a4069cfaf391fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.390813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054752/publication.md
observed a7b936796fcd75fcbf705ee56a70e549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.372326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054752/publication.txt
observed dec6a3c09f36e9dd1e1e586951812cf6...
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.