OpenTechnical

OT-2026-000074995

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000074995) never changes.

Identity and time

Publication numberOT-2026-000074995 · never reused
Internal UUID01a0ae93-ac2d-7e64-97ef-87685c6472f4 · 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-2026-000074995
StatusPUBLIC

Content hashes

Canonical text38e2e5a8ee5ae441a059bc7cb9bfbb2c0ce70ecbcf9e2ff7e982fa0b40b53f88
Markdown4da197c1eceff819debe62b3bc3d4e87795413e2dac289027ec203556bc9a673
PDF
Publication page5982682cc3cebbc51d000072f85ccdaeb93ab6155934fbc6d0142ed336dac2eb
Manifestb803ac1ea8796cf63638574359afab144223002289deb45ba8db9a7fd723cb91

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
Signature5aIgqRXwj8aVf12isdVkROGTd8hADXVzyBGO/10ZTPmeI48whv9F9kBnwc72usBf7e4KipTXVkq7sGDgKD7lDQ==
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

2026-09-17T10:18:48.139279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074995
observed 5982682cc3cebbc51d000072f85ccdae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.121004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074995/manifest.json
observed b803ac1ea8796cf63638574359afab14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.103079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074995/publication.md
observed 4da197c1eceff819debe62b3bc3d4e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:48.084827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074995/publication.txt
observed 38e2e5a8ee5ae441a059bc7cb9bfbb2c...
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.