OpenTechnical

OT-2026-000032551

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000032551) never changes.

Identity and time

Publication numberOT-2026-000032551 · never reused
Internal UUID01a0ae75-106f-74ff-8353-0b6e3c5607d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032551
StatusPUBLIC

Content hashes

Canonical text7a9922f0d2f20e3c5d041d3058c8da869bd4bc6a2de76cb8a6729e1d447f496c
Markdown62d345f344742d5d58827aa27f6d5787a8fa49c6109306566c92c77c716d2be6
PDF
Publication pagee8fcfa3a6447bfe6f5a762fc58b39989afa58b8fc9583824519d9aeace232e74
Manifest9edad2d1918d59288ac2a84f8ebbc6fea07c9af4dfe3bf0c02bf1102ec85355b

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
SignaturefAQ/r75KSY3AACd2TAlIvP3/f7EqwKgs/8uN2+ikx8TYQlzjlhbN2xrdEOFFqwOSQbWdDL9ZiZjFJrumhzkgBw==
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

2026-09-17T11:34:07.079661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032551
observed e8fcfa3a6447bfe6f5a762fc58b39989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:07.062927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032551/manifest.json
observed 9edad2d1918d59288ac2a84f8ebbc6fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:07.045607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032551/publication.md
observed 62d345f344742d5d58827aa27f6d5787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:07.025495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032551/publication.txt
observed 7a9922f0d2f20e3c5d041d3058c8da86...
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.