OpenTechnical

OT-2026-000064696

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000064696) never changes.

Identity and time

Publication numberOT-2026-000064696 · never reused
Internal UUID01a0ae8d-deb9-7eba-9a6b-73e329cfb4d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064696
StatusPUBLIC

Content hashes

Canonical text3841d2cda9b4bed1063c0e070e013f4f725bc86545f271bbf3c27fc0688d3198
Markdown5771f27dcedb0ec8e456051801d9a1f68ad60fff157b4e994588ed2854278c52
PDF
Publication page117b5fe98c8087a41b2c894459dc80c68182d66fa4aef252f8eb490041193c76
Manifest8492340a9fe4e6e18a3e8b1ae26abb7092ae52a47e568adcb36cf58896298862

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
SignatureK6ex0mH2Js20RnupbqDquCqsgUsb+OqkDNz+r55yn+NlWdK+Zt6GUXvfKOFsU94FICZEALREP46lqiN4SzlbBQ==
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

2026-09-17T10:35:33.820816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064696
observed 117b5fe98c8087a41b2c894459dc80c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.798586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064696/manifest.json
observed 8492340a9fe4e6e18a3e8b1ae26abb70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.778429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064696/publication.md
observed 5771f27dcedb0ec8e456051801d9a1f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.756917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064696/publication.txt
observed 3841d2cda9b4bed1063c0e070e013f4f...
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.