OpenTechnical

OT-2026-000023598

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000023598) never changes.

Identity and time

Publication numberOT-2026-000023598 · never reused
Internal UUID01a0ae70-726a-7f21-a151-8dc294a68c53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023598
StatusPUBLIC

Content hashes

Canonical text9e09c4e79da19b67f1abc34dc6d5220bc7cf2e6fba9b0f69ad36382c10ba6e07
Markdownef14ec372f80209c1c2330ec67005b43a95fbbc4ce18855962bbcb3050901bb6
PDF
Publication pagec26d4298054ae26e9adcfaa89bcddb049215be56876ccf958c774d43b65653cb
Manifestdf5ff85f7a8c523f9094223142e86c88e8345ee89b548342669e34762b90f017

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
Signature8cu17Z+6jD/9BTEu4PoDPDGCU8VYUUtbhL+ATJ2/BWQtQIeqPd4aUNJw3TGz0NI2vkgQC1GLV+mCKbkatGD8CQ==
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

2026-09-17T11:51:57.547546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023598
observed c26d4298054ae26e9adcfaa89bcddb04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.529525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023598/manifest.json
observed df5ff85f7a8c523f9094223142e86c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.509118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023598/publication.md
observed ef14ec372f80209c1c2330ec67005b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.488942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023598/publication.txt
observed 9e09c4e79da19b67f1abc34dc6d5220b...
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.