OpenTechnical

OT-2026-000049082

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000049082) never changes.

Identity and time

Publication numberOT-2026-000049082 · never reused
Internal UUID01a0ae81-134d-70c6-a463-34ccc180188d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049082
StatusPUBLIC

Content hashes

Canonical text8bcedc89b87c5b6779b07951c9f936baf4f1828a810fd94e07b57b7cfa759258
Markdown19878724bf84eec57d6e28d731b187f9d3157cc0444b55bc5b2d068225330e9a
PDF
Publication pageb76f5bd4345b2a98079b529e8e6b79f65a1aacf3dd57058dd8c8cdd04b4b8944
Manifest9c301a881f838d0e4eb1eb5c63cc62e88d9cc00d949281f19904dd2be646054a

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
Signature8yTJOvBe4d8lrSaduvSvwoBcuotLUWQ8vp52OamQ5gKjgj+btL4B165VOSNyBn2+KRpgiMv+rRfhsRruukL+Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:03:19.464808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049082
observed b76f5bd4345b2a98079b529e8e6b79f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.447369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049082/manifest.json
observed 9c301a881f838d0e4eb1eb5c63cc62e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.429332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049082/publication.md
observed 19878724bf84eec57d6e28d731b187f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:19.410793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049082/publication.txt
observed 8bcedc89b87c5b6779b07951c9f936ba...
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.