OpenTechnical

OT-2026-000012570

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000012570) never changes.

Identity and time

Publication numberOT-2026-000012570 · never reused
Internal UUID01a0ae6d-39f7-7b15-8430-8db7567f5d86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012570
StatusPUBLIC

Content hashes

Canonical text4f0822c1e174fdcd9fff2abc77d1932732f756c84750829797b0de95b1990297
Markdown3abb04a348378c3d5f6a75fe97219a4cf22359c6ab450ebffbedd632e24e65d6
PDF
Publication page277ed4a25ca963edb8eda12ef4ac83b01e53bea213652a6425460f1b57d08127
Manifest8bc0c2bcd8bd2eae5027dd0f48957d2096465b7d5a439a08c4c890f229e6b0e2

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
SignatureyXKhu3LblnA6GuDc82LwLe7dPje/UKItKtcjPcznpzVMAds2Y1gI/uW89VbsjSlQJ6YShfkrrVel4IVjLtjyCQ==
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

2026-09-17T12:12:07.235847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012570
observed 277ed4a25ca963edb8eda12ef4ac83b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.216681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012570/manifest.json
observed 8bc0c2bcd8bd2eae5027dd0f48957d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.198718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012570/publication.md
observed 3abb04a348378c3d5f6a75fe97219a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.180608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012570/publication.txt
observed 4f0822c1e174fdcd9fff2abc77d19327...
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.