OpenTechnical

OT-2026-000062576

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000062576) never changes.

Identity and time

Publication numberOT-2026-000062576 · never reused
Internal UUID01a0ae8c-0ac1-7e81-b5ff-9de62bd61dc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062576
StatusPUBLIC

Content hashes

Canonical textd38997bfde1a6f86d6993b9b13430a42d9cd8aeb0a191c3da4d1e97af50e1e8e
Markdown5ac9a5fe117bf59e91478b55aecb20307df8366ac68301dcb8cb9b10338d8fb6
PDF
Publication page8b69cf74d9aec3b0aba03bf8265731fd761c7d876c4f703f46f567f903ccc577
Manifest917a9912990859d8e8a3c7e9629390dd5e1cc1dc13716a3e7ba25baa9cc5c5c5

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
SignatureEvRgwi35TvgvUYQg2irKa9rTe95yPCDA3rsNEb7lt7mqqs3WRWZ+qTI/jL4hXafyY0MCq2/Z4FpTAdIVfOXTCw==
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

2026-09-17T10:40:03.748647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062576
observed 8b69cf74d9aec3b0aba03bf8265731fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.727860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062576/manifest.json
observed 917a9912990859d8e8a3c7e9629390dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.706120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062576/publication.md
observed 5ac9a5fe117bf59e91478b55aecb2030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:03.684979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062576/publication.txt
observed d38997bfde1a6f86d6993b9b13430a42...
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.