OpenTechnical

OT-2026-000074935

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single 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-2026-000074935) never changes.

Identity and time

Publication numberOT-2026-000074935 · never reused
Internal UUID01a0ae93-ac2d-7dba-a5ca-b3f313a96c36 · 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-2026-000074935
StatusPUBLIC

Content hashes

Canonical text3905e4d9a55888cf04fbd0fc7942930960ce3966be4c39862e905b238739aff7
Markdown85462e4de4d647537d1f14bca4692ae93c468c1ba535ff9e7c019cb7dde9357f
PDF
Publication page12d2ebb611fdb3019562c3df3a6bb3220919e7d61155afdcd663d3496fc0f68c
Manifest2c536f4af2b2f0a73b6326eb619e79f5f38e74785f4fa905b89a51baa077d545

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
Signaturei7D9Vqm0/NA1w+Kbn2wb6BJCq0zi3yl3oR+1swjuFB/RV3i+cUWxR6sqB/UsqHbFIJzR9jUY4VAFPjScZC4NBg==
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

2026-09-17T10:18:39.861469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074935
observed 12d2ebb611fdb3019562c3df3a6bb322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.843050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074935/manifest.json
observed 2c536f4af2b2f0a73b6326eb619e79f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.826006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074935/publication.md
observed 85462e4de4d647537d1f14bca4692ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.807599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074935/publication.txt
observed 3905e4d9a55888cf04fbd0fc79429309...
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.