OpenTechnical

OT-2026-000009072

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold 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-2026-000009072) never changes.

Identity and time

Publication numberOT-2026-000009072 · never reused
Internal UUID01a0ae6b-31b8-7ae1-b91d-e009172ad155 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009072
StatusPUBLIC

Content hashes

Canonical text565a7958b74470bc1a9e7a7fa6634b26e236a572db8a58cea1968deff3de9096
Markdown115cb885168f7fc49fc41dbce4ba1e0ad0e19d6f16be6b02b53429d10acc2f79
PDF
Publication pagee784e33b9f8c5cadf308453df02e9aa6e4e6d31dc25b509c1fcfdfe83e2222a8
Manifeste0cb6b4b3bbabaf36c1ca2370fcc6dd70ee832599017a3bf743b60fe7afa22d0

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
SignatureMG+V+aJcCUfAERLkExXhPVlsDGHxh2h1kNzU9jq792ot+8+cSBXBecrPob9KSdome8PKPmjm6ng8WAclZt8PCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:44.189233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009072
observed e784e33b9f8c5cadf308453df02e9aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:44.167170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009072/manifest.json
observed e0cb6b4b3bbabaf36c1ca2370fcc6dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:44.146632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009072/publication.md
observed 115cb885168f7fc49fc41dbce4ba1e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:44.125916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009072/publication.txt
observed 565a7958b74470bc1a9e7a7fa6634b26...
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.