OpenTechnical

OT-2026-000061288

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000061288) never changes.

Identity and time

Publication numberOT-2026-000061288 · never reused
Internal UUID01a0ae8b-1384-7179-a594-9975fca8b483 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061288
StatusPUBLIC

Content hashes

Canonical text35454038e32fa7542b49b6996c6f29b92a32dacb1eca514fa70558197f8df9b7
Markdowned91091d6e24abe42e65dcdbe2daaeabb8cab46debfdce1d903ff9af978405ad
PDF
Publication page2600bb1dd299f3d9bc965ee6b6582905f70924460af65f45f2cb691c241d3130
Manifest3b39db946c368d116d3ae01f6f9433d4f184a7e23815bc5e9e5ee4f9c4e17466

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
SignatureDWU5a8ztUOiamazcUqDHNg0QXnua4OVkXYYDsKyQpC2T2CfOOhbUqx5qPB1SY6EBHpRQX4OXciglHbD6FgqMCQ==
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

2026-09-17T10:42:42.778330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061288
observed 2600bb1dd299f3d9bc965ee6b6582905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.760819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061288/manifest.json
observed 3b39db946c368d116d3ae01f6f9433d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.741079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061288/publication.md
observed ed91091d6e24abe42e65dcdbe2daaeab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.723773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061288/publication.txt
observed 35454038e32fa7542b49b6996c6f29b9...
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.