OpenTechnical

OT-2026-000048233

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000048233) never changes.

Identity and time

Publication numberOT-2026-000048233 · never reused
Internal UUID01a0ae80-4de3-7da5-8701-99541064aee6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048233
StatusPUBLIC

Content hashes

Canonical text23b8692cf95ecec8f56fc45b33c25906b7056562c2878d25251f996a23a7f433
Markdown6ce14757d0cf9410468951b6a7deed180262dad22567a774c17ca9d2baaef01e
PDF
Publication pagea4add43d7c24dca80a73d2091883e26941706dbb89dfd236ba62994055a48389
Manifest6969eb62d07a5569771f4c6ad19a57f59de2f3ab7803159856cee838a1a7e829

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
SignaturebVLwmkxWYAgtQjEcFlFFDxfjHe1E9OTJknWjoTsmN525wc9f6Yhb15vev2Zgg5OrckZjJqre+REwaEoz7jwyDw==
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

2026-09-17T11:04:47.476197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048233
observed a4add43d7c24dca80a73d2091883e269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.456879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048233/manifest.json
observed 6969eb62d07a5569771f4c6ad19a57f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.436310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048233/publication.md
observed 6ce14757d0cf9410468951b6a7deed18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.417028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048233/publication.txt
observed 23b8692cf95ecec8f56fc45b33c25906...
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.