OpenTechnical

OT-2026-000063731

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000063731) never changes.

Identity and time

Publication numberOT-2026-000063731 · never reused
Internal UUID01a0ae8c-f946-7b0f-89b0-64ab13b281e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063731
StatusPUBLIC

Content hashes

Canonical text3c41365ea8c5b2382925e64455ef2069c7692724ed9a3c323f1deabe8098b633
Markdown5391161b781958f293dbb1238d753ca3a9a851e4894c7fce061ca745bb09c07a
PDF
Publication pageaf688cb7cc3aa7bcf666af1f51890a85252e8987198e143c36a4d5deff7e1143
Manifest81f7351ec0ac4c43474f39a39b990e2eeb4d538fc80b4c3d556d21bab59fe435

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
Signature0gMWEvk1F9Yx7s1+2R4JZ9bhI3CRARP5ixL2Eyh79x+8Yx988OHrLSxqDbDqZc0398xX34b2NVGZpRXu8r0JCQ==
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

2026-09-17T10:37:51.629956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063731
observed af688cb7cc3aa7bcf666af1f51890a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.612104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063731/manifest.json
observed 81f7351ec0ac4c43474f39a39b990e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.593577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063731/publication.md
observed 5391161b781958f293dbb1238d753ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.576661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063731/publication.txt
observed 3c41365ea8c5b2382925e64455ef2069...
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.