OpenTechnical

OT-2026-000008680

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off after set-down

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-2026-000008680) never changes.

Identity and time

Publication numberOT-2026-000008680 · never reused
Internal UUID01a0ae6a-e46b-7ef0-a767-8905189edd99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008680
StatusPUBLIC

Content hashes

Canonical textc5d3277adac5dca55f1efa7c619e7a38f538d66e1cf451da06f0922c5e7a1765
Markdownee094b3f3f09e0924f41a7f6634335d85e15d5159d05fffbd4f51cfd3cec27d3
PDF
Publication page8c9921f6d9a47c20778628c1f3bdb1d9f4fa9982078748df0389aee6854ed676
Manifestcf2205c1c280bd47439c2fd0470a378a366520d8aafc53cae4368b2899eb87d1

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
Signaturet1Spo6Y4AouCOwK2K3kUXmVoXmN/8YBrcKiwMDwWwNgsxebzBCRGNTgtbLUC5DqyS2MQP+VcqUmFtqDXxzlmAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:39.809940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008680
observed 8c9921f6d9a47c20778628c1f3bdb1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.790709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008680/manifest.json
observed cf2205c1c280bd47439c2fd0470a378a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.773437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008680/publication.md
observed ee094b3f3f09e0924f41a7f6634335d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.755640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008680/publication.txt
observed c5d3277adac5dca55f1efa7c619e7a38...
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.