OpenTechnical

OT-2026-000047748

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000047748) never changes.

Identity and time

Publication numberOT-2026-000047748 · never reused
Internal UUID01a0ae7f-c420-7ee1-b2ab-a41a9a7c7a57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047748
StatusPUBLIC

Content hashes

Canonical text1d4d50b0a9fbf7c9be614c18715727df578db2e6129b3ecfe000fe63e4dd2f73
Markdown69bb2cf65df7491e74f471f13bfbe6a166469dd598092322ec762166a69218d9
PDF
Publication pageb94e974745b012ff7337ef53b1ef43ed4b4757b8fc22f5a80b4f53dde6373521
Manifest9bee533e21254b21e62b0b9fc89c3d9505ef2663ffd316948434606be7a8eec8

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
Signature9rxrr/aNmtUIkXfJmlt1Ues2PSnW815QXJeH3pvmcHiwRo7AsTXmDfcHer7ls++2/VeyfrT3eixcPWY+r498Cg==
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

2026-09-17T11:05:37.750040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047748
observed b94e974745b012ff7337ef53b1ef43ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:37.731383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047748/manifest.json
observed 9bee533e21254b21e62b0b9fc89c3d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:37.711843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047748/publication.md
observed 69bb2cf65df7491e74f471f13bfbe6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:37.691543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047748/publication.txt
observed 1d4d50b0a9fbf7c9be614c18715727df...
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.