OpenTechnical

OT-2026-000098049

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000098049) never changes.

Identity and time

Publication numberOT-2026-000098049 · never reused
Internal UUID01a0aea1-92f8-738c-8c56-dbd5a0a90b73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098049
StatusPUBLIC

Content hashes

Canonical text23a6da867d7512f2562d5c75dd86082d1240819743b195687a21b8a0be514a78
Markdown269e746ffc5b72c2e5cf6ed51a2e9cc6b430d2be4ec05bfffa048baf7a6fa082
PDF
Publication page9e5bf41165ed7c1e67f5c3880c6ed35f11d6fa1999142f035a2b0c6da609406e
Manifest7085016a12bca03a207e0949bc9841c2919323a1bd280bd0c41f69a2f08b4961

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
SignaturetBIMjKqa6kqwWA1dfT2NMnMAfLAnDjpNazXkmn4LpV3944h9ddXDL2Vy05NkahDS1NohHtJ0I4NpG8pBREm2Bw==
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

2026-09-17T09:33:13.863571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098049
observed 9e5bf41165ed7c1e67f5c3880c6ed35f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.846070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098049/manifest.json
observed 7085016a12bca03a207e0949bc9841c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.828831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098049/publication.md
observed 269e746ffc5b72c2e5cf6ed51a2e9cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.811315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098049/publication.txt
observed 23a6da867d7512f2562d5c75dd86082d...
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.