OpenTechnical

OT-2026-000036459

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000036459) never changes.

Identity and time

Publication numberOT-2026-000036459 · never reused
Internal UUID01a0ae77-01d1-7473-8e26-e211d6cf52fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036459
StatusPUBLIC

Content hashes

Canonical text19f5a0b1501fc7095abe1c62599633bbd119ee04f11fa4f77a52566580b9a16c
Markdown443b525e961279d53876bb099b10d8f4ffaf51f4edee0a99f66d6c9222ea71d1
PDF
Publication page92debcc752643235c4b9789cc09912264be773351e74cde89fbcaf1399c3c19e
Manifestcb62ed3ce37512203d538c15d67073eccb2123da5ea5a62d6d5a96777b5681fa

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
Signature09wVwE2soooGxrznRSn6wS/+VcYT+jXLCzIJCtpSV78Zyr/Ouoek/ZCKPQ9a5nPFp3M07x3ItWskD2ypj0gdDg==
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

2026-09-17T11:26:51.618155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036459
observed 92debcc752643235c4b9789cc0991226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.602090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036459/manifest.json
observed cb62ed3ce37512203d538c15d67073ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.585413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036459/publication.md
observed 443b525e961279d53876bb099b10d8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.569090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036459/publication.txt
observed 19f5a0b1501fc7095abe1c62599633bb...
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.