OpenTechnical

OT-2026-000052505

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, vented 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-2026-000052505) never changes.

Identity and time

Publication numberOT-2026-000052505 · never reused
Internal UUID01a0ae84-573a-7721-a9f9-82cc729a7863 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052505
StatusPUBLIC

Content hashes

Canonical text26e4ce871efae91519a65491a5454528d65d8072ffec0e1c448018c6f331872a
Markdownfce0a6dcab6bd070e1f18a75d2c742048db627c485b0f4584317479c36e0fc24
PDF
Publication pagea88ca49ddaee7c45a271522000503c33a60c94e8d750d5630b27adc2acf467ae
Manifest5ce790213a8a5ce5af18a881cbb960ab800d8acebeffa2d43333ad8e1f1704ee

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
SignatureebAEFqWUqimlcUI26wB7Sv3Y2fJLsxCLh83qEJ510hf0RKdUSlckfYYDPcgchK4E0p8neHpa812RJKEwdpqSDQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:08.724099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052505
observed a88ca49ddaee7c45a271522000503c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:08.706078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052505/manifest.json
observed 5ce790213a8a5ce5af18a881cbb960ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:08.687340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052505/publication.md
observed fce0a6dcab6bd070e1f18a75d2c74204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:08.668755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052505/publication.txt
observed 26e4ce871efae91519a65491a5454528...
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.