OpenTechnical

OT-2026-000079053

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000079053) never changes.

Identity and time

Publication numberOT-2026-000079053 · never reused
Internal UUID01a0ae95-ccbf-7899-b17a-0a3a1f641a78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079053
StatusPUBLIC

Content hashes

Canonical text842d0a66a631ed4a2b39dfe13b832bbdeed99209007b7ecece8747d12effd0b2
Markdownf42668f3225e0c9b42926143f81aaccc9afb1ad82861a0682d40b9c6d44d48ce
PDF
Publication page46b7a152a8a7b981a0dcb0f05812746e708d5554d45489b3ed2c5d8521eedf8b
Manifest5313b48e6452f93d3c57b52b4ae854fb7e17e14b9ef3874b3503007e20928e82

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
SignatureSaKuNUaSwFSyDrvjYQMsxwaoRYWxRqqa8yhp3VkcDJp/FKTK++Pod51trTTG2TEv/nLVaaI24O+u/puDm+tzAw==
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

2026-09-17T10:05:53.686629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079053
observed 46b7a152a8a7b981a0dcb0f05812746e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.670153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079053/manifest.json
observed 5313b48e6452f93d3c57b52b4ae854fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.651271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079053/publication.md
observed f42668f3225e0c9b42926143f81aaccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.634351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079053/publication.txt
observed 842d0a66a631ed4a2b39dfe13b832bbd...
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.