OpenTechnical

OT-2026-000069305

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000069305) never changes.

Identity and time

Publication numberOT-2026-000069305 · never reused
Internal UUID01a0ae90-b528-7869-a4ba-92ccb5fc1500 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069305
StatusPUBLIC

Content hashes

Canonical text92f54f7559b2779b114df890554e77e1769740fd80f1ae5252fbbf80ea174e05
Markdowned8f15b674f6a5c758a04554986d5ddc5cb835fee9dcc496b7423142153e481c
PDF
Publication page7ce4968ff6414961facb0ab5631312316dfe9e6640e58505372f3300480fcba4
Manifest1c85a57d71e93cc8fa1b0ba224fa9b8823358c2043a064a91f3094acdb75dd6c

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
SignatureueYMgkKzz1tnwj3k4SstX0Q2YnIW8wdZXB/u8lYhwJAMVn0Jelr9qTeJMTlxpjFjfdicO/LnGUPbxyJaPKyyAg==
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

2026-09-17T10:30:03.879545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069305
observed 7ce4968ff6414961facb0ab563131231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.851832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069305/manifest.json
observed 1c85a57d71e93cc8fa1b0ba224fa9b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.833894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069305/publication.md
observed ed8f15b674f6a5c758a04554986d5ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.812777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069305/publication.txt
observed 92f54f7559b2779b114df890554e77e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.540745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069305
observed 7ce4968ff6414961facb0ab563131231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.524320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069305/manifest.json
observed 1c85a57d71e93cc8fa1b0ba224fa9b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.507571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069305/publication.md
observed ed8f15b674f6a5c758a04554986d5ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:52.489940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069305/publication.txt
observed 92f54f7559b2779b114df890554e77e1...
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.