OpenTechnical

OT-2026-000058529

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000058529) never changes.

Identity and time

Publication numberOT-2026-000058529 · never reused
Internal UUID01a0ae88-f39b-73c8-aed4-cc96ebfe1bc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058529
StatusPUBLIC

Content hashes

Canonical text922c7c3e19e4fdc2209264a27dd81428be9a8bf84a76993eb44ac61cea81ab46
Markdown3b0578405838df8f7975f8949d9bb4c1044d8a4279f4aaf3bbf96d84620528dd
PDF
Publication page1a7b1a988c52678092f6fba2adeaafc823e35f8133574292b1f4a6ca2b04dd3d
Manifest5996b24365ecf051352f4eb4a5add0978963ff222e744b5c90bd5eeb81ade68d

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
SignatureNCoUDYNQEvx7qoBqn8nDGpiPK5Us1L7xLqJWp3rTUQswsW0as59tIzO1CQQG6y22ZM+0mQjgwo0wsVpMitTHDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:59.461405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058529
observed 1a7b1a988c52678092f6fba2adeaafc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.445726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058529/manifest.json
observed 5996b24365ecf051352f4eb4a5add097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.430079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058529/publication.md
observed 3b0578405838df8f7975f8949d9bb4c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:59.415378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058529/publication.txt
observed 922c7c3e19e4fdc2209264a27dd81428...
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.