OpenTechnical

OT-2026-000079913

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000079913) never changes.

Identity and time

Publication numberOT-2026-000079913 · never reused
Internal UUID01a0ae96-4377-7872-807e-40b87d5ef980 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079913
StatusPUBLIC

Content hashes

Canonical text4492069c36db5ae6d3dad74eafc56b71a2df959b8dde748e9e15fd0a5f3f40f3
Markdowne78111c0925bcef58a52fab97eed00cc5338dd793d47d3f97aa7bb02e6d00cff
PDF
Publication pagefb0c1d1b2668ce27afaa7bcf2b39d907b6408ceeef991c7573e021c3e251eec7
Manifest6e9804110d28fa53da07f84e4d1727e859464aabf458822b36bfd681e269b2e9

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
SignaturesRt5xOh6LsXLUfY5U9KJ8ndKuqIMYfS75jT2HCSTdTm/KqQeD2+cfeKKLgbMykAidWm5M5Mctl+Hx0rMLKNWBw==
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

2026-09-17T10:03:48.866715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079913
observed fb0c1d1b2668ce27afaa7bcf2b39d907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.842795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079913/manifest.json
observed 6e9804110d28fa53da07f84e4d1727e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.741455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079913/publication.md
observed e78111c0925bcef58a52fab97eed00cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.725267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079913/publication.txt
observed 4492069c36db5ae6d3dad74eafc56b71...
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.