OpenTechnical

OT-2026-000016770

Publication integrity record

Six pad foam vacuum gripper, 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-2026-000016770) never changes.

Identity and time

Publication numberOT-2026-000016770 · never reused
Internal UUID01a0ae6e-5919-7eef-b409-f6449e34acc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016770
StatusPUBLIC

Content hashes

Canonical text21b49f800899b3c694ce1f3384ec37246a7a2d18683bde013720486a23fdfe41
Markdownb5cc51524122f8f70e407557c207b4b4616fbe9bb5bf8848228ae0714385df09
PDF
Publication page917fadd63d40840d6886279d46c0390976f4c94b2853a4cf71081ad648c190c4
Manifest6b9af27d2e2706e6f24953019e558e446efc2d1b978a522cb8ccb52356b9745d

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
SignatureXXtpMnGTUTt/2N2Azge0vB5jMf/dMkLdCyt8i/hct0cHZNfsSKYT/yezHL9DQsA3zoE0VNC+Y2d+nMDYPS+yDA==
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

2026-09-17T12:03:00.685091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016770
observed 917fadd63d40840d6886279d46c03909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:00.667219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016770/manifest.json
observed 6b9af27d2e2706e6f24953019e558e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:00.651968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016770/publication.md
observed b5cc51524122f8f70e407557c207b4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:00.635637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016770/publication.txt
observed 21b49f800899b3c694ce1f3384ec3724...
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.