OpenTechnical

OT-2026-000054599

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two 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-2026-000054599) never changes.

Identity and time

Publication numberOT-2026-000054599 · never reused
Internal UUID01a0ae86-1283-7523-9f03-18c26eae0511 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054599
StatusPUBLIC

Content hashes

Canonical text39d09bd5ca395bc60511920ad376a7428e5625c03bd0d38ea5f139bd7c15786c
Markdownf9a06c98b2ca823b821d8f71cb9f362a74790df36c3258ffcf3c8689c109f9a8
PDF
Publication pagee3d271dff47cbe8ee15217366b129172122878318bc550555f8701a2764d8d80
Manifestcbc5b5206ca77e7ff20f55ccff383bbde9a0c02a30eba47b2d1d15a01804f6d6

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
SignaturekA2YKt1G7q+XY5BfntB3Uc3p642EuriRq+zzvW39hxJSC2uJ2B2Yp5G1cMqQ4gte3h0jk2vggaoTsafOr5igCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:39.119167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054599
observed e3d271dff47cbe8ee15217366b129172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.101404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054599/manifest.json
observed cbc5b5206ca77e7ff20f55ccff383bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.081527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054599/publication.md
observed f9a06c98b2ca823b821d8f71cb9f362a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.064351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054599/publication.txt
observed 39d09bd5ca395bc60511920ad376a742...
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.