OpenTechnical

OT-2026-000099650

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000099650) never changes.

Identity and time

Publication numberOT-2026-000099650 · never reused
Internal UUID01a0aea2-c976-77cb-a5c1-39d96f3f6bcb · 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-2026-000099650
StatusPUBLIC

Content hashes

Canonical text6a452b50cb177eda6ddd2361044502d145ec304f740581328e6df7984d5b4281
Markdown3084226e18fd845a0735db429eed42d9edcc1808572e4719a7418fc15fde6788
PDF
Publication pagebba55e78a7dd4d7f491d8276aeca889bb11748843c9c709a5f33dc700036fcda
Manifestbecb3568562b08cfd1337c1edd50e48ae8cb8bb280168ab17eb4dbe118e90bdd

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
SignatureuUnbWBRaCggkG48JTZy/9IZWHoZJFtchEOwMVLNH6wI8hOP12IMLVePBdJjA7ooy62li3VVejl116bYgTYgIBg==
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

2026-09-17T09:29:35.349460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099650
observed bba55e78a7dd4d7f491d8276aeca889b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.332218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099650/manifest.json
observed becb3568562b08cfd1337c1edd50e48a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.313895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099650/publication.md
observed 3084226e18fd845a0735db429eed42d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:35.297443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099650/publication.txt
observed 6a452b50cb177eda6ddd2361044502d1...
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.