OpenTechnical

OT-2026-000065393

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000065393) never changes.

Identity and time

Publication numberOT-2026-000065393 · never reused
Internal UUID01a0ae8e-46f8-7c62-b6ce-9c3df74e993a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065393
StatusPUBLIC

Content hashes

Canonical text31dc751ea40fef63dfeb2782091086c5c97c479e788ae7e582a82aa8560b5869
Markdown89fa0f6fe2e78c47085550acc50a1c074b07ee5a84aba42f9b33260a9711eb84
PDF
Publication page31af136473d74e54201ccb788f2739b33cb565bb91f99bd4b8679443d4a33de6
Manifest6d5b76cfd58fd747fd2afddfe2db3d4610a81d1e50be0ac440c81a7f927cf0d5

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
SignaturexEjdgkaey/EGUXGA08fpnRNhYij0Gfx4fdryK8Saep8wdusLDx6JS2DDmMz3mHPAnUPEIyjWVa+UmsgHgqR1Dw==
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

2026-09-17T10:33:39.182335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065393
observed 31af136473d74e54201ccb788f2739b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.163362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065393/manifest.json
observed 6d5b76cfd58fd747fd2afddfe2db3d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.144119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065393/publication.md
observed 89fa0f6fe2e78c47085550acc50a1c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:39.121945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065393/publication.txt
observed 31dc751ea40fef63dfeb2782091086c5...
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.