OpenTechnical

OT-2026-000008453

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000008453) never changes.

Identity and time

Publication numberOT-2026-000008453 · never reused
Internal UUID01a0ae6a-e46a-743d-888d-f4df68076a03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008453
StatusPUBLIC

Content hashes

Canonical texta6cc551f1ade39bf13bafb7f55315a9ddcc1850c4a01ee29b1ef264b3ec13173
Markdown39aeeb7c4893240dd792eed1d9b83e30fc6e6f112f90f0244f78e4c4c10398bf
PDF
Publication page706d58d4c7c5ca812b1db7bcb4cc649677c6c8119074593df7cf00526acee0f1
Manifest8ec7d5d419be7f074e20d9337166b75f92004cfb75d3b86ecf4e95666d03d2a1

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
Signatureym6jDzT9aCTt6WZAEt4vBSApg7bqncj8jkopN5KQj+YvnqRTLuh7tf2duSDoGLPHdgrqwMTHajoSe8hHoHwXDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:20.351024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008453
observed 706d58d4c7c5ca812b1db7bcb4cc6496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:20.329779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008453/manifest.json
observed 8ec7d5d419be7f074e20d9337166b75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:20.309430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008453/publication.md
observed 39aeeb7c4893240dd792eed1d9b83e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:20.271781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008453/publication.txt
observed a6cc551f1ade39bf13bafb7f55315a9d...
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.