OpenTechnical

OT-2026-000076239

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000076239) never changes.

Identity and time

Publication numberOT-2026-000076239 · never reused
Internal UUID01a0ae94-6a6f-7355-a32c-06262d05ccf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076239
StatusPUBLIC

Content hashes

Canonical texte2e5440d26e2250d61972d466be0071a8bd49b9884f62de761c71e750c23051f
Markdown7ef75e4e8ef8415e4cb38ae86e2dd10e323e00b25ad86847cc66f11c95bcd7fb
PDF
Publication page3ec89855dce62ce352d364afbe151e3253ab0b0560ac4d89d26d7747e59a6751
Manifest3975eee32dbc2c50615aee4fdbdfb48947981f3aab4f53c327dc1a40045fe1aa

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
SignaturekQKaSOrW70H1/4WYt1pRBijzz6Pul5SAvv6ThEcruLa1u7RCW3212rDj75vitFUzHpr9yhFWdjajeJcED1pcCQ==
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

2026-09-17T10:11:42.799142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076239
observed 3ec89855dce62ce352d364afbe151e32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:42.776593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076239/manifest.json
observed 3975eee32dbc2c50615aee4fdbdfb489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:42.755888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076239/publication.md
observed 7ef75e4e8ef8415e4cb38ae86e2dd10e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:42.738185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076239/publication.txt
observed e2e5440d26e2250d61972d466be0071a...
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.