OpenTechnical

OT-2026-000015185

Publication integrity record

Single cup vacuum gripper, common isolation valve, single 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-2026-000015185) never changes.

Identity and time

Publication numberOT-2026-000015185 · never reused
Internal UUID01a0ae6d-ef47-7a9f-b2b3-9ba58b017f29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015185
StatusPUBLIC

Content hashes

Canonical text2f9f7184b21f07428ae516fdef734e6bd81eb8c84a0dd5daec20ab6949ad6e3d
Markdown58e7248311073f4fa05f427d3848cea73a36c8034b4fc505c5f2895d80175394
PDF
Publication pageb253fab7276a85d0cd9670f002f407eda9a6724dc4ba735e884bd9019f4ecc72
Manifest73993762d321c10a499354c67e33469f4099b11b51b5ee9b7f3d9b68eebc0039

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
SignatureyxHea00bsiBGdxL176PX1dAoBUXSse3riuI0rs2+XPXK8J30v8d7oLz4nglirD6uLuu1fzQuf533e1faIMe4Ag==
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

2026-09-17T12:05:48.550385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015185
observed b253fab7276a85d0cd9670f002f407ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:48.532774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015185/manifest.json
observed 73993762d321c10a499354c67e33469f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:48.513014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015185/publication.md
observed 58e7248311073f4fa05f427d3848cea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:48.494791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015185/publication.txt
observed 2f9f7184b21f07428ae516fdef734e6b...
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.