OpenTechnical

OT-2026-000047278

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000047278) never changes.

Identity and time

Publication numberOT-2026-000047278 · never reused
Internal UUID01a0ae7f-3e56-7585-b7dc-b1cd058fb461 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047278
StatusPUBLIC

Content hashes

Canonical text4bd8e506be1b2d96b23911a96b4842d9d97c4b85c62f6554dac661ae92dba573
Markdownb4582a73534e3068c47afd01b9cff32bf377a1e2d1461671a39bdcf6258fc152
PDF
Publication page8fbc9f3fdcb494f98a28f67140641f7a209d8898731df89d0fbe928cd67110e2
Manifest2e1a70783ae3c8d7dffdfba445b841521127250db4506c916cefd9e38a410c16

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
SignatureGU1t68G9yBkI56z3rUZuzj4axah1HuFEAD/Eo7H55yGoMpsMGcQN8oDPUQ9GttUfcjJNnRZnDSzGipBEi1+JAw==
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

2026-09-17T11:06:14.785703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047278
observed 8fbc9f3fdcb494f98a28f67140641f7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.767267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047278/manifest.json
observed 2e1a70783ae3c8d7dffdfba445b84152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.742704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047278/publication.md
observed b4582a73534e3068c47afd01b9cff32b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.726135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047278/publication.txt
observed 4bd8e506be1b2d96b23911a96b4842d9...
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.