OpenTechnical

OT-2026-000061468

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000061468) never changes.

Identity and time

Publication numberOT-2026-000061468 · never reused
Internal UUID01a0ae8b-7b43-76dd-8a9b-3fcd88661685 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061468
StatusPUBLIC

Content hashes

Canonical text4113f149df218e5f43860c511612ce291db92b54a36e2f9fd7049a2e8a4b538f
Markdownc7761afb009d7209cc34335b778194c12acd101a3dbc7c1b55d16e09dc4ddd0b
PDF
Publication page1ef65df594467cc8d1ce1295794184fa27f3a0820e8330e54c326390af488d2c
Manifest31f7dda63e091665e5d9087a2fb4a43df2c7a7d4ef2c613db98bb3cee37c1160

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
SignaturerjE51XeweULkdPP4FwF0qgUyjJF19aGNyld/vz+wWshCEQNHwEj8nFk8JmuJYUDMt+sTM0bwxFMNvXmFifyBDQ==
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

2026-09-17T10:41:21.239825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061468
observed 1ef65df594467cc8d1ce1295794184fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:21.221930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061468/manifest.json
observed 31f7dda63e091665e5d9087a2fb4a43d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:21.203609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061468/publication.md
observed c7761afb009d7209cc34335b778194c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:21.182844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061468/publication.txt
observed 4113f149df218e5f43860c511612ce29...
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.