OpenTechnical

OT-2026-000084608

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, sustained 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-2026-000084608) never changes.

Identity and time

Publication numberOT-2026-000084608 · never reused
Internal UUID01a0ae98-e25b-7200-b561-4db07ce98ac4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084608
StatusPUBLIC

Content hashes

Canonical text881428cab8c5557439de93b07c62417ebbe912ddddc817c3cf1b6943a37e3752
Markdownf75e39b7dcd2396032954fed4bad428ca5979d1bf295369d18e1e33705f72ec8
PDF
Publication page2816d09acd53f70c9718fa0ef5f7d45abd91161b3d7851734b0b1630b3c72e6a
Manifestec529913854c5a202f04f0d59b8d81bea7f61c302a3f41b2dce9b6cea281f2b3

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
Signaturedjw0Z2bBg7SgwXFOl6MfBqAsICOwEvpgEiD+g7pNpHX2oczy9yUD8/SthZh++gBiSXcw0LV0bxE7pi1CjQk8AQ==
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

2026-09-17T09:55:31.069028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084608
observed 2816d09acd53f70c9718fa0ef5f7d45a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.051691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084608/manifest.json
observed ec529913854c5a202f04f0d59b8d81be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.033631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084608/publication.md
observed f75e39b7dcd2396032954fed4bad428c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:31.016817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084608/publication.txt
observed 881428cab8c5557439de93b07c62417e...
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.