OpenTechnical

OT-2026-000048537

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000048537) never changes.

Identity and time

Publication numberOT-2026-000048537 · never reused
Internal UUID01a0ae80-4de6-7e4e-b4a0-79d8b94f7b02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048537
StatusPUBLIC

Content hashes

Canonical text583948db1bc949b9ace7064812b196a3f9cee3e2ab7644979933a75cb7af78cb
Markdown53c185035cdda8f3232575fcece33c546dac4f1cd7178e37d219049d559e30d2
PDF
Publication page7e6d93e1b88dbb4d4c67c784a426a670b6df6b84b71615445087f9d0c6f509b8
Manifestd6498a78650be99aeedb2190e4ea2a3df4d10b0602f6032118ac3ce468c6c553

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
SignaturerjxmqdhcliRjcdXC+BMC8crVXaIDXhmfQDWE+ttdLWPiMJAilAFJJFdTOeWy61UdhMDUhb/R3burByl5p9l2CQ==
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

2026-09-17T11:05:19.659266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048537
observed 7e6d93e1b88dbb4d4c67c784a426a670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.642446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048537/manifest.json
observed d6498a78650be99aeedb2190e4ea2a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.624598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048537/publication.md
observed 53c185035cdda8f3232575fcece33c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:19.605674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048537/publication.txt
observed 583948db1bc949b9ace7064812b196a3...
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.