OpenTechnical

OT-2026-000034177

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000034177) never changes.

Identity and time

Publication numberOT-2026-000034177 · never reused
Internal UUID01a0ae75-df0d-7801-8a94-80b442c34ff7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034177
StatusPUBLIC

Content hashes

Canonical text39cca0caf297c3272c595d67c70370c813a60b1ef1e1538f987219a15e9320dd
Markdown9afd1244e5dff72610da837d1c95dc08b07cf55c147c432327a3a26cba108c57
PDF
Publication pagefba89fe5b2b6b795d0370825aa0c09c68186c20ebdd4d7c091762d4800547ada
Manifest8ba03b7ba425c740c0951ac164b88e76e800180e73afdb9e0d6aeb41f6ff9a8f

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
Signature47iN8bzRcNolq2elHUIZW1qp+0xq8+VMOv6jMwB+1YYz/VxzsA6ogdlAYZvIokJrWBYXHs96k+Xs5dVxmriZDw==
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

2026-09-17T11:30:42.504116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034177
observed fba89fe5b2b6b795d0370825aa0c09c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.485826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034177/manifest.json
observed 8ba03b7ba425c740c0951ac164b88e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.468080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034177/publication.md
observed 9afd1244e5dff72610da837d1c95dc08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.449131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034177/publication.txt
observed 39cca0caf297c3272c595d67c70370c8...
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.