OpenTechnical

OT-2026-000060641

Publication integrity record

Three cup vacuum gripper, three 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-2026-000060641) never changes.

Identity and time

Publication numberOT-2026-000060641 · never reused
Internal UUID01a0ae8a-b7cd-7623-866e-362eb757d7aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060641
StatusPUBLIC

Content hashes

Canonical text3bcd64c9b185ad8de8dadb2b381691e040dfc47b5a57c26e2a29b8e6ece98543
Markdown1c6e891c5f01ca5b848c44efe15366f2bf39df8bd2217091f45e945111beac94
PDF
Publication page82f8801e479b61b73a49fee1111ac401085aa9625ac9f8a9df7cb2370fdaa176
Manifest220ab56cdf87530728d2c43c7c96b2d1c036e7de2c5dbb8a3520a7df8ad359a0

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
Signatureh7546rCjNt9i/ofX/Wso4TgMXluh0va92ndgZlUp20jXnpmfnE+20bGlBseckbry9q/DJx/Jhi1NGmNyg4yXBA==
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

2026-09-17T10:43:16.311045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060641
observed 82f8801e479b61b73a49fee1111ac401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.291961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060641/manifest.json
observed 220ab56cdf87530728d2c43c7c96b2d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.274333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060641/publication.md
observed 1c6e891c5f01ca5b848c44efe15366f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:16.257246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060641/publication.txt
observed 3bcd64c9b185ad8de8dadb2b381691e0...
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.