OpenTechnical

OT-2026-000065703

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000065703) never changes.

Identity and time

Publication numberOT-2026-000065703 · never reused
Internal UUID01a0ae8e-46fb-7e4c-9a87-7e2384682671 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065703
StatusPUBLIC

Content hashes

Canonical text3c33bc1c1622b9c2e64f106f29f060fb1ea4fd3ad91723c670577c6b625f4bc9
Markdown22b5e9eb57c500d21aa2974beb8e76531d69811dde33462f8f85dead5d5009b3
PDF
Publication pagedf0691ee884a29daceb7d47aa4d4b967991586dbd4be3aade61f68b191cd252c
Manifest6b674a7f9ab3e591146f1cc5d8bdd7b6a933b2eadf335783299393f988607e7f

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
Signature2vAYwneIkxDGbQ8GAB8/rDu5UcbTs51jEqLsyitNQc3Nn+qHukblJoTzZFuFdGtg5+JQv9XSdb0SJKvwRnBiBA==
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

2026-09-17T10:34:07.172326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065703
observed df0691ee884a29daceb7d47aa4d4b967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:07.156592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065703/manifest.json
observed 6b674a7f9ab3e591146f1cc5d8bdd7b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:07.140350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065703/publication.md
observed 22b5e9eb57c500d21aa2974beb8e7653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:07.123469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065703/publication.txt
observed 3c33bc1c1622b9c2e64f106f29f060fb...
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.