OpenTechnical

OT-2026-000076925

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000076925) never changes.

Identity and time

Publication numberOT-2026-000076925 · never reused
Internal UUID01a0ae94-b071-768d-b69b-f3e2785c4c40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076925
StatusPUBLIC

Content hashes

Canonical text0c905f609032ed0349d914c70ec0b05752b8ec85c1d8843fcf878b65e137c170
Markdown5d9fa6a571b8f5835d3caed71038906704aff69cb8e5c0492b647374ae772374
PDF
Publication pagef54ec4d695e2f8fdc94f8ce9f52c0189e6fb106d35de635ba4644be95d38376a
Manifestfe9bea9506355bd446c97c91b5104c4bbc1adbc8f9a5d236c68f5e24b7bc67a2

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
SignaturebA6rvGPDfgvAC/Q/O0UsHxIinIPSuU8ZWboQOthnpyoSou/bs4IUP8tRKRWHuBXVjqF5bptfjyswx/j7wJXpBg==
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

2026-09-17T10:09:52.461775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076925
observed f54ec4d695e2f8fdc94f8ce9f52c0189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:52.442857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076925/manifest.json
observed fe9bea9506355bd446c97c91b5104c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:52.047708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076925/publication.md
observed 5d9fa6a571b8f5835d3caed710389067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:52.028582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076925/publication.txt
observed 0c905f609032ed0349d914c70ec0b057...
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.