OpenTechnical

OT-2026-000009817

Publication integrity record

Single cup vacuum gripper, 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-2026-000009817) never changes.

Identity and time

Publication numberOT-2026-000009817 · never reused
Internal UUID01a0ae6b-cb78-7178-9fd0-69a45ac3b9a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009817
StatusPUBLIC

Content hashes

Canonical textd1432a37f642e9c355f091b64429515377e483cffd1a09f44ec63c2fd6ab87ce
Markdown6a48366526ca42a47277fe9b044647d1643af4fc5682800efc584386f6f9b002
PDF
Publication pagee4af143b432ae0c13804d7b8badfb712d656d40f20eef2bdd43aec86527e75f4
Manifest08cb6152622b0a7ab9fafd6b741ab14a56926fb2594f91bf1ed6e7ac3bbcec32

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
SignatureeN6eja9zEG/RrsQTL+5/q5fXxLMKgph9L9DlVT0SmfOFffK2ILOzz5NkybO5t00wIO6gDTGk4akb0RPN7CWKCw==
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

2026-09-17T12:15:48.367111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009817
observed e4af143b432ae0c13804d7b8badfb712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:48.345318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009817/manifest.json
observed 08cb6152622b0a7ab9fafd6b741ab14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:48.325154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009817/publication.md
observed 6a48366526ca42a47277fe9b044647d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:48.304684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009817/publication.txt
observed d1432a37f642e9c355f091b644295153...
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.