OpenTechnical

OT-2026-000037099

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000037099) never changes.

Identity and time

Publication numberOT-2026-000037099 · never reused
Internal UUID01a0ae77-7740-7c81-ba69-7c72965bd35b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037099
StatusPUBLIC

Content hashes

Canonical text971cd43abe1f6615d4ac880aa6d44d3928aded669ceab25097fae7f4aa32b897
Markdownbc285f2378f8350a4e12e3fe9edc47230797bc93e3a254d31b2ad741ab637fef
PDF
Publication page870c11bad6a9866b2bc715c0e6dea870a68a56b171dfa9eec04624a88b9daf6a
Manifestd457a1f42c2c4fc666eefd2e947e82625fe8d392807c92f23ec64100bde53cbf

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
SignatureSgAz8vT47lFFLpex15pJLmO6XtPV7+gRJDU9dRltxS3Q/DfpAbeHfbhbbMRMkNlVOwcRB0Bxl/+zKmHR7Fc4BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:24:58.021781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037099
observed 870c11bad6a9866b2bc715c0e6dea870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:58.006603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037099/manifest.json
observed d457a1f42c2c4fc666eefd2e947e8262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:57.990619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037099/publication.md
observed bc285f2378f8350a4e12e3fe9edc4723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:57.973029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037099/publication.txt
observed 971cd43abe1f6615d4ac880aa6d44d39...
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.