OpenTechnical

OT-2026-000026703

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, 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-2026-000026703) never changes.

Identity and time

Publication numberOT-2026-000026703 · never reused
Internal UUID01a0ae71-f4ab-7da3-aebc-e8144447106e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026703
StatusPUBLIC

Content hashes

Canonical textb9ad6723123130a0100ee65bd8df11f0d18a7917e88a45536b8e790e6788d06f
Markdown44598a0838b3f66f093bf22a3204d953d07e695033f82d8de5899955193fe452
PDF
Publication pagee825010d682cd89ce9010b7e0fecb9bd341a8dfa5addf9147fffe71fe8f09fbd
Manifest6e99e615f745f1adb27895cee9905f4e8d10408f1454b9e0659a2cf68c6127aa

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
SignaturePuGBlpg7cP/bwhjKu2wnB342AGzDtdUYReyg15BIQJOyUd2knhuL9wbZ9QBc62RE4mrW5UZFkaLvNzGGFzWhDg==
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

2026-09-17T11:45:47.792291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026703
observed e825010d682cd89ce9010b7e0fecb9bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.774032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026703/manifest.json
observed 6e99e615f745f1adb27895cee9905f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.757668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026703/publication.md
observed 44598a0838b3f66f093bf22a3204d953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:47.739146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026703/publication.txt
observed b9ad6723123130a0100ee65bd8df11f0...
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.