OpenTechnical

OT-2026-000030572

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, sustained 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-2026-000030572) never changes.

Identity and time

Publication numberOT-2026-000030572 · never reused
Internal UUID01a0ae73-e505-7d36-a538-3a18fedd63a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030572
StatusPUBLIC

Content hashes

Canonical text95c33b11b264312d8889a448dac57e49128c87b3a56d1e0e66808f53c8a89735
Markdown9aee99d33c4b7fb1f8dca7d35e57643721eb4a4f5a55ae22dc4c1e9de130210a
PDF
Publication page3fa3c424c4c673df37942a6a66fe6c69bc96cbaa0d196eb7f0dc722ddcb56dd9
Manifestf68d6037b33be1e1b760f974e3d36feb9f4b04c7064f0897d7d3b56f977e09f3

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
SignatureSl0cC1T0+fP2HJZWwMIchm9rxggZm604nBXCk/Bqi5BJAZwV3WY4KilP2Bu8nWPOXur1UgNHPXCR6qSYeZLMAg==
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

2026-09-17T11:38:26.688962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030572
observed 3fa3c424c4c673df37942a6a66fe6c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.673227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030572/manifest.json
observed f68d6037b33be1e1b760f974e3d36feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.650711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030572/publication.md
observed 9aee99d33c4b7fb1f8dca7d35e576437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:26.627129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030572/publication.txt
observed 95c33b11b264312d8889a448dac57e49...
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.