OpenTechnical

OT-2026-000099196

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000099196) never changes.

Identity and time

Publication numberOT-2026-000099196 · never reused
Internal UUID01a0aea2-8288-7dc1-b422-1ce413213130 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099196
StatusPUBLIC

Content hashes

Canonical texta6fbfb1bdb1992a61a6685784e0138225b6188905ab4b6278716a2411a9c68b2
Markdown2adef1fda9754e44a894e17b0a507c5781979080763b05ef2388f9412db7ffa0
PDF
Publication pagea6b2bcd33cdca9c8fbcb47b6680b65a10a12b4433a5e6449cb5fab13bc4ccb1d
Manifest2cfe939beec54308fb9d5d5c23f248fd9325c0fc1151e38972e6cd8434af12a9

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
SignatureTx9je7dgQMHL81jQ5yYVqkfcB7X+9nXQJJtsIzDpA+X1y3liVBkUgrkNBW/KrwrbHwKbMRq7tDbMn6/kwyibBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:02.363944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099196
observed a6b2bcd33cdca9c8fbcb47b6680b65a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.346925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099196/manifest.json
observed 2cfe939beec54308fb9d5d5c23f248fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.300178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099196/publication.md
observed 2adef1fda9754e44a894e17b0a507c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.265463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099196/publication.txt
observed a6fbfb1bdb1992a61a6685784e013822...
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.