OpenTechnical

OT-2026-000023368

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000023368) never changes.

Identity and time

Publication numberOT-2026-000023368 · never reused
Internal UUID01a0ae70-7268-73c3-b74a-b117c26d72ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023368
StatusPUBLIC

Content hashes

Canonical text19cabd4f1306b3587abe8d60a1de9abfc8959420094ee311651741983539133d
Markdownf99aa4c4a9f40d8846700875b1694949bb6890d54df57ba2e68965e427a85a2a
PDF
Publication pageb158d8e31e40992a519326a33bf8cdd5cd864713d5010cfa1ea1945a3986771a
Manifestc2d25435dadae235f567e3da6112b89d74f35e7798b7e39916863ba550bcdc87

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
SignaturecRpmpEGTIy0yb6qrRhHIlV1zvA7hFiBIXlG1QZn0BNbn3Ummjev8lspckXlIbWdTaq+Tlc39lB08vQWK5Qp3Aw==
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

2026-09-17T11:51:28.078909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023368
observed b158d8e31e40992a519326a33bf8cdd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:28.059913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023368/manifest.json
observed c2d25435dadae235f567e3da6112b89d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:28.040682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023368/publication.md
observed f99aa4c4a9f40d8846700875b1694949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:28.024900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023368/publication.txt
observed 19cabd4f1306b3587abe8d60a1de9abf...
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.