OpenTechnical

OT-2026-000070123

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000070123) never changes.

Identity and time

Publication numberOT-2026-000070123 · never reused
Internal UUID01a0ae91-1862-7948-b52a-067b3235ca04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070123
StatusPUBLIC

Content hashes

Canonical text4c08661db41c699c95f9bd234bbcb13cdba8bb0281a462a7a0c4f1c7f98620cb
Markdown14cfc40c247e74f63949b1f401bb62678c1a259c569bb055a718f2d5ed9b994e
PDF
Publication pagedcda7324453b9d9939c5696a0ee4eab6251a8151e8de2d55d777e1d9d7adf0fe
Manifestfaa9c97bb9fe302a8a748f789a1a30623b55b5d2d3a9d6116a28ff57821b9031

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
Signaturegd9C/oNp2O2yT+eJeX34eVwX2cYASgXpa4fgYBTRXEduh/yhTrVClTZPQsujGyZuV0SDhvxTK5bJSTgf4WT+Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:09.590948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070123
observed dcda7324453b9d9939c5696a0ee4eab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:09.572128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070123/manifest.json
observed faa9c97bb9fe302a8a748f789a1a3062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:09.553028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070123/publication.md
observed 14cfc40c247e74f63949b1f401bb6267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:09.531476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070123/publication.txt
observed 4c08661db41c699c95f9bd234bbcb13c...
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.