OpenTechnical

OT-2026-000045288

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed 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-2026-000045288) never changes.

Identity and time

Publication numberOT-2026-000045288 · never reused
Internal UUID01a0ae7c-f76a-70d7-aab3-31098b4d5548 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045288
StatusPUBLIC

Content hashes

Canonical text87134260f2d82acc74873b0dc62ae96ec178cfd9d0acf057d5fc157ee385bd2d
Markdown93d682f4fd465f6db82b66f54e6360d93f0c490d8db673a6b347311db5a0a7f1
PDF
Publication pagebd1fce2e7ebf9d5cc5d25daef05b1c544ecfdc346489a6b132eecdc92e454a92
Manifest63707897cd5d5d30d0094bcfedf7e25e02d5d7bbc950c1df9051f84ad25bc8c5

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
SignatureYuPYoNtwAAWLhw1PIm1MjgkYunvDd9UcXr3hlvvzIMdd3ESE6N+Z4GAjV47Qz6mTWuH/KNiSMV3YMt4KAY+nAw==
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

2026-09-17T11:10:30.308074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045288
observed bd1fce2e7ebf9d5cc5d25daef05b1c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.287142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045288/manifest.json
observed 63707897cd5d5d30d0094bcfedf7e25e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.266844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045288/publication.md
observed 93d682f4fd465f6db82b66f54e6360d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:30.247025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045288/publication.txt
observed 87134260f2d82acc74873b0dc62ae96e...
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.