OpenTechnical

OT-2026-000044722

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000044722) never changes.

Identity and time

Publication numberOT-2026-000044722 · never reused
Internal UUID01a0ae7c-39da-7116-88bd-fba0bf6c7b8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044722
StatusPUBLIC

Content hashes

Canonical text251fbab16b38fad9f161fbe381b387df6b6b84aa04808984eb6dd5e48f0cd175
Markdown1ea289fa16058ad26cede6cc0ba3b8396c696b082848bab790676170163f0e39
PDF
Publication page5238d5a1396e351720ea27039d7b866c03a26b83f8fc3fee010ca3fa9e6fb45d
Manifestb8e958ed9b141b70c8ddd9d18f036f70779000373718bd375e2f14ae523be007

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
SignatureZ8Y36uaN7MyNE042L5Pi0lUBieHWr90b5PK7bUq7JPfUDOOfq2REcgw/fAnHWdxjBARj3pSt9QxnjF//KzHZDw==
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

2026-09-17T11:11:59.377595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044722
observed 5238d5a1396e351720ea27039d7b866c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:59.361010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044722/manifest.json
observed b8e958ed9b141b70c8ddd9d18f036f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:59.341437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044722/publication.md
observed 1ea289fa16058ad26cede6cc0ba3b839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:59.323524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044722/publication.txt
observed 251fbab16b38fad9f161fbe381b387df...
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.