OpenTechnical

OT-2026-000061761

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, vented 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-2026-000061761) never changes.

Identity and time

Publication numberOT-2026-000061761 · never reused
Internal UUID01a0ae8b-b8aa-7a17-867d-b791193d1c9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061761
StatusPUBLIC

Content hashes

Canonical text420102f81fea05c55e9bf938c36d93fcadb1b5aae4988af93053269921667e91
Markdown04adbcac4d6ef8565c1cdda4639d2664a08d779e5f1759e7205645b9151f322a
PDF
Publication page3d599ce9392671e1b5c3c067a6d0b5057532cd1d1ea781c56884d7840b87bb5b
Manifestc8f946f4e238699cfcab23cad3ba408bda09848dbb3ccc5d44ed27de806fd509

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
SignatureVWEHb4Kgj8Kr9aFSlJLne5kQ2om70HJwRtu8wuiWngLf0ASY4D/y30DmsStb6KSeQD7J+Y4vElYC2KCxSrLMCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-10-29T04:41:34.414036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061761
observed 3d599ce9392671e1b5c3c067a6d0b505...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T04:41:34.361486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061761/manifest.json
observed c8f946f4e238699cfcab23cad3ba408b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T04:41:34.296432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061761/publication.md
observed 04adbcac4d6ef8565c1cdda4639d2664...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T04:41:34.108086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061761/publication.txt
observed 420102f81fea05c55e9bf938c36d93fc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T04:23:15.354266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061761
observed 3d599ce9392671e1b5c3c067a6d0b505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-14T04:23:15.321952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061761/manifest.json
observed c8f946f4e238699cfcab23cad3ba408b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-14T04:23:15.305041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061761/publication.md
observed 04adbcac4d6ef8565c1cdda4639d2664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-14T04:23:15.184201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061761/publication.txt
observed 420102f81fea05c55e9bf938c36d93fc...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent