OpenTechnical

OT-2026-000054627

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000054627) never changes.

Identity and time

Publication numberOT-2026-000054627 · never reused
Internal UUID01a0ae86-1284-7d5b-954a-3badf3f2d223 · 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-2026-000054627
StatusPUBLIC

Content hashes

Canonical texte9ea16ad2380792f7cbf0f9b670464da2e99f81d5970829fd8cf5aa7705fcaab
Markdown76f130d359ec0062e29025ef9a578d1736b6a81f266f7c7db1f005925e792f83
PDF
Publication pagecce8d0defaed32278a2e417a3c9410f177d22852ea2c36b767feb022b125f992
Manifestc506a8b37eb1787d13105df4cfd76ff4de936f1b57321c7685f9350e345ddc8f

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
SignatureKmQE77FTXmU8qgFzmrFKfTuMVvKD8K+rSM1hzz/OknOYryndjftxCny1dvsAmDXk7OzR0VBKK3XTre9RLyvRDA==
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

2026-09-17T10:53:41.296721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054627
observed cce8d0defaed32278a2e417a3c9410f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:41.279425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054627/manifest.json
observed c506a8b37eb1787d13105df4cfd76ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:41.261162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054627/publication.md
observed 76f130d359ec0062e29025ef9a578d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:41.241253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054627/publication.txt
observed e9ea16ad2380792f7cbf0f9b670464da...
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.