OpenTechnical

OT-2026-000074958

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074958) never changes.

Identity and time

Publication numberOT-2026-000074958 · never reused
Internal UUID01a0ae93-ac2d-72b4-a6b4-9cfd079edf4c · 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-2026-000074958
StatusPUBLIC

Content hashes

Canonical text1a5513da51f82dc4c7e091425140b73e5bb6574bd98bb6298ab9bafed683141c
Markdown05b40e3fbfba9e95d51933ef92d80e984bf07981ce1e80d94977a224e244af8d
PDF
Publication pageb8c21ebbcf6519af15b940f944b1cd8abcae6bd51490d8c5fdb9b0e35d821a2a
Manifest4f6726df64f462740f2c9fd429870bbfd3a49abfa6f83b6f06c46854453fcd30

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
SignaturelxBmu0pgdFVHUCT8P1FW5wPLH4+M7roscDWaABhcKkPqXCAA1HbUawKn64uiRIF2zGe9gvwDs+GVWEkVr8qqAQ==
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

2026-09-17T10:18:45.427135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074958
observed b8c21ebbcf6519af15b940f944b1cd8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.409275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074958/manifest.json
observed 4f6726df64f462740f2c9fd429870bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.389962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074958/publication.md
observed 05b40e3fbfba9e95d51933ef92d80e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.372053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074958/publication.txt
observed 1a5513da51f82dc4c7e091425140b73e...
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.