OpenTechnical

OT-2026-000087242

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000087242) never changes.

Identity and time

Publication numberOT-2026-000087242 · never reused
Internal UUID01a0ae9a-9f2e-7268-add2-4a71cc3439d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087242
StatusPUBLIC

Content hashes

Canonical text51b923fb70b4ef3c0399cb2381f79f52ba1cb163a8fb25efcb19de6f8c1dca82
Markdown22c22a72dc4a8d607696e1414c4a526191de3e82056290e7cea7a4a78593eab7
PDF
Publication page7f3aac35810bde9d91ef6163a20e391f2ee1b750dbe84dc6aaee499aa20fa561
Manifest8a541a0b78f6f6c9c96d00d278df5d825f88c78e0e09ca29a954f5c5a69641f2

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
SignatureY44pB5naGqlY7MQ62zsNSYx2MZkO1OT+gi2Wl2nFLwJpOu2ZppdpiPbCzgWWJcN6mWWc3Sofp0RTlX9Wc2ohDQ==
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

2026-09-17T09:51:32.751058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087242
observed 7f3aac35810bde9d91ef6163a20e391f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.733504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087242/manifest.json
observed 8a541a0b78f6f6c9c96d00d278df5d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.713513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087242/publication.md
observed 22c22a72dc4a8d607696e1414c4a5261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.696330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087242/publication.txt
observed 51b923fb70b4ef3c0399cb2381f79f52...
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.