OpenTechnical

OT-2026-000052829

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000052829) never changes.

Identity and time

Publication numberOT-2026-000052829 · never reused
Internal UUID01a0ae84-a42e-7e5f-b2dc-bf0a23b46622 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052829
StatusPUBLIC

Content hashes

Canonical text8d85f93c000b28162465346a24c8699336fc1bc77462a55cd74225353befa84d
Markdown1f1e9deb9de446e6923eba6a2384615be67631cbfaab22ac352df3f048d96242
PDF
Publication page59e0cd3dc90c5c0f71ba855e0651ff878b80465a1a765a9cc22817f1fcb49c6f
Manifestd60181b00d113730aee8e6552b1a9c85446c8ce6c37cdcc9f95faa06d90adc3b

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
Signaturek211CStH8MpIZi15CopZ829cLrBHkBr0Zu8krA4NTtaRL2pIYGxZOF9qObfXLbixImibFIhlymzYzkkRAoO3AQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:51.338600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052829
observed 59e0cd3dc90c5c0f71ba855e0651ff87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:51.319700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052829/manifest.json
observed d60181b00d113730aee8e6552b1a9c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:51.301699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052829/publication.md
observed 1f1e9deb9de446e6923eba6a2384615b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:51.284477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052829/publication.txt
observed 8d85f93c000b28162465346a24c86993...
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.