OpenTechnical

OT-2026-000070527

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000070527) never changes.

Identity and time

Publication numberOT-2026-000070527 · never reused
Internal UUID01a0ae91-5460-766b-ae7e-c15f27133180 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070527
StatusPUBLIC

Content hashes

Canonical text2e5c127209dc18c68bd7e83c3382c64315cd25cb2b21fdf5c86e30df914f75f3
Markdown0a02a595b6c3453209d60599490a4482319ee521cbc7e5f279a7cf7c16b371db
PDF
Publication page9b9c09109499fffd2e8790882b86ac77aea0d0ddfde393a4e2a42e778bfd9c14
Manifest44aa12540592b4b4a6fafff003a55d213b60d05cfb227c413271dbe475edb43f

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
SignatureQVdgQ9Kr3HWqZR7I95WBf4s1prkgmjpnTvmLd9kH51juh4Snk46Fl1FAxzRjr9VHq4EyLnYOf9M+7BPEjB9ODQ==
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

2026-09-17T10:26:22.308253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070527
observed 9b9c09109499fffd2e8790882b86ac77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.290818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070527/manifest.json
observed 44aa12540592b4b4a6fafff003a55d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.273888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070527/publication.md
observed 0a02a595b6c3453209d60599490a4482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:22.255379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070527/publication.txt
observed 2e5c127209dc18c68bd7e83c3382c643...
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.