OpenTechnical

OT-2026-000067982

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000067982) never changes.

Identity and time

Publication numberOT-2026-000067982 · never reused
Internal UUID01a0ae8f-c4fd-79eb-ad5b-135d3b22b5a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067982
StatusPUBLIC

Content hashes

Canonical textaaadf9c773d85c4130e966956a638d885fa4d41eefbe1a62e3b89f9ab16d00f3
Markdown1de4e48f41a5422e0006048de6025e4d0102d7cff3b0c00d02006beb3ba47169
PDF
Publication pagea2bd074165c23d982b913ebb364bcb08b872435372f7113c74f83d9e9e509866
Manifestd86f45abbdf8f59c950f4ce8451df5a1b9f9400b3d6d3e8dd827c527bbcb6bc2

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
SignaturebzINkzYOk42aAHVjS5Jzor6T55OADi6AfY27TIOMfCG7ipt4NXweuVsWZqO72/6+IZdqvDAqkWEY3XCm9DbgCA==
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

2026-09-17T10:30:31.808017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067982
observed a2bd074165c23d982b913ebb364bcb08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.790525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067982/manifest.json
observed d86f45abbdf8f59c950f4ce8451df5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.773346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067982/publication.md
observed 1de4e48f41a5422e0006048de6025e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.755745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067982/publication.txt
observed aaadf9c773d85c4130e966956a638d88...
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.