OpenTechnical

OT-2026-000101572

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000101572) never changes.

Identity and time

Publication numberOT-2026-000101572 · never reused
Internal UUID01a0aea4-0e15-7f7a-9e19-5e9463a22869 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101572
StatusPUBLIC

Content hashes

Canonical text9236374d077f6e1ff1c550520effb7968ee22aad3628cf9ee95f80b94c6a4622
Markdownc48b4d7d74b76e5c35bb81b905a681ee6cbea3da0f20bd35a4032bc6d6019e64
PDF
Publication page709c7774e0e387069d98be88c79290ffc62173b6cbc5274f8dd38adb9bd8fd10
Manifest11c9482086180f076fde6502fa44ad875fba6a153d5db7480c8876d58351c56b

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
SignatureXNUP2K0zMt2tIKHA8I+uFcwQNPRBufj9PizGUpHmlL02cI4zGrU1bNqMMQ88qkEt+n2Erj61UtAmQks8gUQfBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:39.030874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101572
observed 709c7774e0e387069d98be88c79290ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:39.013161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101572/manifest.json
observed 11c9482086180f076fde6502fa44ad87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.995029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101572/publication.md
observed c48b4d7d74b76e5c35bb81b905a681ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.977757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101572/publication.txt
observed 9236374d077f6e1ff1c550520effb796...
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.