OpenTechnical

OT-2026-000007652

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000007652) never changes.

Identity and time

Publication numberOT-2026-000007652 · never reused
Internal UUID01a0ae62-76bd-787e-9d13-707ba56343f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007652
StatusPUBLIC

Content hashes

Canonical text025930d807a319a4b5b6b67c86d70890ee8236bd196605d532d43f7b2a1211fb
Markdown3750320f4c39a6bee6620c8ef754a077afb13eb0f3605ab3956100e2d05d6443
PDF
Publication page84d64937610522a5069387c3830a44ff87d751b0df7a9effa0b729a759af7492
Manifestf4f085dc2868455ce703feaaae681d790123d39967405833b1d51df59ce669a9

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
SignatureedT1DZ8gWDe/suFZLxROKIMToJFnmaJHS2Sji4TA9eAsdIZxHdfiFu5Uo0ViL1RMi7gWjaKVvYRy3AqRBX9KDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:16.347612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007652
observed 84d64937610522a5069387c3830a44ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.329785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007652/manifest.json
observed f4f085dc2868455ce703feaaae681d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.310531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007652/publication.md
observed 3750320f4c39a6bee6620c8ef754a077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.291455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007652/publication.txt
observed 025930d807a319a4b5b6b67c86d70890...
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.