OpenTechnical

OT-2026-000052070

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000052070) never changes.

Identity and time

Publication numberOT-2026-000052070 · never reused
Internal UUID01a0ae83-e78f-7186-8629-39ccb2612306 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052070
StatusPUBLIC

Content hashes

Canonical text233df8414d242a000f405d885b463064511ee9e08abe83672fb84a1a8904512d
Markdown9979e9001488eb700d38ac1644c0203aac10d95d9ff09629ae0bdf7d1e95d297
PDF
Publication page2d1604369a1331f3ed14b36d7268a948e637b909e7cd8698f93602e3d0e657be
Manifest5d5de4d0ab33c130fc2d10d3dd2524e1a9ab404c0bd198e0c1bb8af970a45925

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
SignatureK0IjhjeWy1e4kx0UcPD9QxGi9yZEO4WCNlAjV07l6puKtR9LVbDbA2+H4JI7ofb60QxoyWNnQbfe7BUDHqojAQ==
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

2026-09-17T10:57:35.701292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052070
observed 2d1604369a1331f3ed14b36d7268a948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:35.683264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052070/manifest.json
observed 5d5de4d0ab33c130fc2d10d3dd2524e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:35.664627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052070/publication.md
observed 9979e9001488eb700d38ac1644c0203a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:35.647251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052070/publication.txt
observed 233df8414d242a000f405d885b463064...
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.