OpenTechnical

OT-2026-000070177

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000070177) never changes.

Identity and time

Publication numberOT-2026-000070177 · never reused
Internal UUID01a0ae91-1862-796b-afff-11b5040b5096 · 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-2026-000070177
StatusPUBLIC

Content hashes

Canonical text5dd015f87739703b36698517aaed2f3763dc530b388904af0030eef654e8cf9b
Markdown1180e113f16f05e2e3c52ab11b05cfc3338adcf8a18f88fbc9ee6d3616452fd6
PDF
Publication pagea4bcf98c1434271d8267e09112c6cde8d495d047d93047df0be2bf17fb99491e
Manifest4ab33a79b6653a96cec4192f46302077571bd3d388f436e9c373d7ed7f0f0990

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
SignatureY4gB/wPQ81ZzFcA5f4MrBTugHS0DYu5CrFaaN1r+XWeHelHC4X8rW+ZH1Wzgh8u0Z1BO74qazePvM6kqHdIoDg==
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

2026-09-17T10:27:13.765187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070177
observed a4bcf98c1434271d8267e09112c6cde8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.749347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070177/manifest.json
observed 4ab33a79b6653a96cec4192f46302077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.732005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070177/publication.md
observed 1180e113f16f05e2e3c52ab11b05cfc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.715741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070177/publication.txt
observed 5dd015f87739703b36698517aaed2f37...
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.