OpenTechnical

OT-2026-000088889

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088889) never changes.

Identity and time

Publication numberOT-2026-000088889 · never reused
Internal UUID01a0ae9b-8f11-7ae6-b441-b4089d887b56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088889
StatusPUBLIC

Content hashes

Canonical textecb4eb48129e957e43c59cff0b1778a750413c9c9a9c5bd6667d4ea7b91e7d48
Markdown7aff6d6e783e1e2cc2b764b2891a88eef7c281104dc0d3573d3d4d077f594646
PDF
Publication pageaf94fee2ec77323efd8a03d67da74d71ba456334966a029b7cade48cb2aa50e1
Manifest03a315ee235cf9b9b1125f76a18fa33b6c769f7b2aa2c3751abb3efc598fe166

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
SignatureGB5TY2af3h58AujCKleYGMEt5pPAt1xHvt2U9YDhprRairpLOk5SWwg0qGu6XZRDlCWkcZ1ehwa3ekH2l6cqDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:17.370616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088889
observed af94fee2ec77323efd8a03d67da74d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.354644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088889/manifest.json
observed 03a315ee235cf9b9b1125f76a18fa33b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.335719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088889/publication.md
observed 7aff6d6e783e1e2cc2b764b2891a88ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:17.317279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088889/publication.txt
observed ecb4eb48129e957e43c59cff0b1778a7...
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.