OpenTechnical

OT-2026-000075177

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000075177) never changes.

Identity and time

Publication numberOT-2026-000075177 · never reused
Internal UUID01a0ae93-f1ff-7553-8bf1-3047083c5cf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075177
StatusPUBLIC

Content hashes

Canonical texte59d1952b21b34d636dc359d7eb11a16128e06f0b423fed92d5a76f16b8ce3d5
Markdown8a04574bffe4e504cfa16452ad5b2870a3e50e82cf1a7e155442b1f33cb5b2ac
PDF
Publication page789a108dbec7c98a82c5e66e64d53694b47b76a4fb2725221155cda46ea19799
Manifest5cb4e585174185f40c6eb61736532e323e8e4cd1c623a9e5aec34f4e47345f66

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
Signature4P0eBFS5oIWWdH+0YkhWdQIgc4OATaIwA1128iVLMQ6wL7PRq2WVEGwYsA5QeZH0Q0foHCwZjVZhLEh3lgSOAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:25.608738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075177
observed 789a108dbec7c98a82c5e66e64d53694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.589541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075177/manifest.json
observed 5cb4e585174185f40c6eb61736532e32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.570224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075177/publication.md
observed 8a04574bffe4e504cfa16452ad5b2870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.552228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075177/publication.txt
observed e59d1952b21b34d636dc359d7eb11a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.473341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075177
observed 789a108dbec7c98a82c5e66e64d53694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.454483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075177/manifest.json
observed 5cb4e585174185f40c6eb61736532e32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.312262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075177/publication.md
observed 8a04574bffe4e504cfa16452ad5b2870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:34.291284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075177/publication.txt
observed e59d1952b21b34d636dc359d7eb11a16...
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.