OpenTechnical

OT-2026-000066840

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000066840) never changes.

Identity and time

Publication numberOT-2026-000066840 · never reused
Internal UUID01a0ae8e-ce43-7f1c-a4d6-20be4426d6e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066840
StatusPUBLIC

Content hashes

Canonical text9332a39202ed6de1112040c8dcafbd97365a7f051f97bc9ad35b49334fddbeda
Markdown1551dd1d6d9e1dc0fa7042437dcb8491cf6799128a54e4a3ac02032bc1018646
PDF
Publication page27fd2b45137cbfa51ce1ab62f2d932b65300f73e9102d39f170ec5535df05f5c
Manifest7e12acf3f94b6a55f99fea10407029cbb0aa54db67c7fdb06daa3ebcdc629a28

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
SignatureT+ifyee4PwDnIfT7U8vIspf+Ti3rlBe65L1+7fhDiKZ/sdyNNifS+HtZLb6w3n2VDGyjmOn8mPHgkHKojM4dBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:16.659905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066840
observed 27fd2b45137cbfa51ce1ab62f2d932b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:16.642182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066840/manifest.json
observed 7e12acf3f94b6a55f99fea10407029cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:16.622582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066840/publication.md
observed 1551dd1d6d9e1dc0fa7042437dcb8491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:16.603520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066840/publication.txt
observed 9332a39202ed6de1112040c8dcafbd97...
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.