OpenTechnical

OT-2026-000099657

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099657) never changes.

Identity and time

Publication numberOT-2026-000099657 · never reused
Internal UUID01a0aea2-c976-745c-8c96-87f3f9e1c8f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099657
StatusPUBLIC

Content hashes

Canonical text53171536d3625c4442f3f5c3a6c88962ad9dd2e4fabe6307bb0a3912c9508150
Markdown58b1fda32c863b342f08fa88897f39c1fdf8d389ade0f36d9688b2e1ff911c31
PDF
Publication page61e36c462d7a57ccd061e56d7626f86100f8ef538ab9414a82900c8849bb13f7
Manifest43b3428b4b71ce83d0fd7b48a7ba2a7fd4f8b1efd323521fe9fdd8cd843040ff

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
SignaturetVcsvn9h+26vzXClIe9TskB1AEWQHrYgPRF/htr9MO6NGJbPbWL8eSgXDisat1c1/CIINjn1yVgvWnGMCTGgAQ==
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

2026-09-17T09:29:35.820352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099657
observed 61e36c462d7a57ccd061e56d7626f861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.801135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099657/manifest.json
observed 43b3428b4b71ce83d0fd7b48a7ba2a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.783159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099657/publication.md
observed 58b1fda32c863b342f08fa88897f39c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.764438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099657/publication.txt
observed 53171536d3625c4442f3f5c3a6c88962...
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.