OpenTechnical

OT-2026-000010653

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000010653) never changes.

Identity and time

Publication numberOT-2026-000010653 · never reused
Internal UUID01a0ae6c-0ee8-7bdb-a000-015537e9ba1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010653
StatusPUBLIC

Content hashes

Canonical text9f98c5f1ab675894d99902b058f9549f99d6076a8396f9a5271de53b8d41b8d1
Markdown6bfdc22945257e7c0bd0f6087034403c9a1f37e14ea97a4570dee82288114ffc
PDF
Publication page178f9bfe40cb114f19c2e28095a57f80ab68b7b39c2c1d9ffe79428f33a2d040
Manifestf8689146c153988915dae0754d450230cd45cfe680ad1ad03b00a33ea9f7959f

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
Signature+bzMqud4j/IvS0pIp7fKUndHEZeDghGPRbZQpy5mqEXTMbnA6cqK4onIOjWolyWxN0N9fMmDmAVWqz5FbzzDDQ==
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

2026-09-17T12:14:51.358800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010653
observed 178f9bfe40cb114f19c2e28095a57f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:51.338957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010653/manifest.json
observed f8689146c153988915dae0754d450230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:51.319067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010653/publication.md
observed 6bfdc22945257e7c0bd0f6087034403c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:51.297358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010653/publication.txt
observed 9f98c5f1ab675894d99902b058f9549f...
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.