OpenTechnical

OT-2026-000101515

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000101515) never changes.

Identity and time

Publication numberOT-2026-000101515 · never reused
Internal UUID01a0aea4-0e14-70d7-bc11-e34e1f83ac13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101515
StatusPUBLIC

Content hashes

Canonical text4b067463144170b7fcb1357a85c18f72f5602bb2b47d0892c2cc51d9f9189d99
Markdown51334b0f2c8af7cb58ed1de071e78314df6339b8653ed9166b39ea8fed163b45
PDF
Publication pagebfcd2d7a1c7b831dce6e713c6ae04992d7a5cd70c1a89a65238860ddb250b84d
Manifestbe2ff44ad50b9fb2ec0ca6a413856c5dbd67987d4d5473161d6f92a53cf80b4e

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
SignaturenSt3jSv10h/AGW3dsLYALz5+NzueTkkXdIeQBcGwNBqyfXeykm5WllJN+DOS6sT0KS3ktB0CdRcVbor6t3DHAw==
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

2026-09-17T09:26:00.190330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101515
observed bfcd2d7a1c7b831dce6e713c6ae04992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:00.171049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101515/manifest.json
observed be2ff44ad50b9fb2ec0ca6a413856c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:00.152165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101515/publication.md
observed 51334b0f2c8af7cb58ed1de071e78314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:00.131926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101515/publication.txt
observed 4b067463144170b7fcb1357a85c18f72...
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.