OpenTechnical

OT-2026-000058372

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000058372) never changes.

Identity and time

Publication numberOT-2026-000058372 · never reused
Internal UUID01a0ae88-f399-7f85-b1cc-1888b6ed341c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058372
StatusPUBLIC

Content hashes

Canonical text383b3c951e55ae2b99ef3a1d1f781ad0d938a22ddb83b5b3771c650ebb6e4806
Markdowndbc1d75fd0c28a5c0e1b3bdb3ac6011537d5ad1607228234a0ac3bd0dd29266b
PDF
Publication pageab60142b682c46a6c39b646e464a297e26003b8e21c5db743a416d6c1352e70c
Manifesta16a029981328f311810daaadb97b9365228c963dcbf9d202da475dca5d11e08

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
Signatureu5vLnlooD0zI35CrVtJAoNANsjY26HY1RWMTSO1+wRHjnaVM3tOFcqvLtYLGKAx1rVp+V+0CLXilUTubmFXxCw==
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...

Independent retrieval

2026-09-17T10:46:47.608552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058372
observed ab60142b682c46a6c39b646e464a297e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:47.591738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058372/manifest.json
observed a16a029981328f311810daaadb97b936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:47.574667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058372/publication.md
observed dbc1d75fd0c28a5c0e1b3bdb3ac60115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:47.557587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058372/publication.txt
observed 383b3c951e55ae2b99ef3a1d1f781ad0...
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.