OpenTechnical

OT-2026-000102216

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000102216) never changes.

Identity and time

Publication numberOT-2026-000102216 · never reused
Internal UUID01a0aea4-50f3-7e32-a773-fddce4ff07b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102216
StatusPUBLIC

Content hashes

Canonical text6f2eeac909dcdfddec6fc64a7a487fc2df861e7e5f974d0e267025907d777260
Markdownc784c0b8b53fb9b85f253894c4b519674b52496fff4f54dd9620119472b53281
PDF
Publication page798051512e7a77331a96fa655b488d618bc955540f891341928d8937bb22fa25
Manifest818196eac2b6a83a20392f0ed09821646b640ef75b23fd98657d200915770332

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
SignaturePK/8Ma6G8aBmL83QK3yMv9/3+CMC8DcuKaEyfkbRyxLy2O11HvP4Bk8wSiWpwa3Xt1YfjBkeVSAVfSHYDc4gDw==
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

2026-09-17T09:25:23.564957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102216
observed 798051512e7a77331a96fa655b488d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.546966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102216/manifest.json
observed 818196eac2b6a83a20392f0ed0982164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.528776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102216/publication.md
observed c784c0b8b53fb9b85f253894c4b51967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.509310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102216/publication.txt
observed 6f2eeac909dcdfddec6fc64a7a487fc2...
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.