OpenTechnical

OT-2026-000027178

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000027178) never changes.

Identity and time

Publication numberOT-2026-000027178 · never reused
Internal UUID01a0ae72-3454-765f-9f8a-aab6d618bb4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027178
StatusPUBLIC

Content hashes

Canonical textabb50b4326fdf8de5fd7e2cf330d133bc0df435f82f597a07cad4725b082041c
Markdown78946781caf44122c29fd482e31f8a40bf3b20a2a0000170f45a576a32ace5bf
PDF
Publication pagedf8ff4d8d1d9acd1dbf617baca3289929e8ec2c2df971231a2f16fe42e396048
Manifest985b92727d46ed674dbf0aecdb2c03c2b900ecaf4e989395bf739ef479161511

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
SignatureGCh7PoO1wsxvHq/c8ZtxJt5J+xAUEuQ4RzN8W+7iKV9TVF2/wXWi4Jub9BHF6x6TyJIrN1U23p6k7MFPLxZyDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:03.809301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027178
observed df8ff4d8d1d9acd1dbf617baca328992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:03.790939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027178/manifest.json
observed 985b92727d46ed674dbf0aecdb2c03c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:03.764019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027178/publication.md
observed 78946781caf44122c29fd482e31f8a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:03.738516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027178/publication.txt
observed abb50b4326fdf8de5fd7e2cf330d133b...
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.