OpenTechnical

OT-2026-000102907

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000102907) never changes.

Identity and time

Publication numberOT-2026-000102907 · never reused
Internal UUID01a0aea4-be3c-73b0-a4a5-0d64a281e036 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102907
StatusPUBLIC

Content hashes

Canonical text04c64e8ec8b7177660b8d91b06e42f263de455ccafeb7c77178f7447b538ba9f
Markdown73eda758f79b8bdce157cdba0d59a0d49b48577e42007e87b8bd04c89e1af4e2
PDF
Publication page60a6de4a8029f56578d3da3cf768530c801b3b18958762b65413f75905979865
Manifest2cd553cc0a480b3f3866efeda16bb47722d07f7f5a9e8c02e87ee62ac60bbef9

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
Signaturebiq9Jfbpyi2+UachFNL6r1Hr2B3kXcda20XbjlexJ6dNNqhVJ66lTGi81e7X6jsSwi7MUskmL3j1reKzeus8BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:55.306909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102907
observed 60a6de4a8029f56578d3da3cf768530c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.289010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102907/manifest.json
observed 2cd553cc0a480b3f3866efeda16bb477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.272433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102907/publication.md
observed 73eda758f79b8bdce157cdba0d59a0d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:55.253458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102907/publication.txt
observed 04c64e8ec8b7177660b8d91b06e42f26...
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.