OpenTechnical

OT-2026-000071235

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000071235) never changes.

Identity and time

Publication numberOT-2026-000071235 · never reused
Internal UUID01a0ae91-e0ec-79f7-9e66-3d5b19858631 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071235
StatusPUBLIC

Content hashes

Canonical text409c20eef3f2b044f74b225138768d3e514f012325369b07cd90fa2b5256d208
Markdown7f344c47f6a9bfbd31ed5d844d0cc424cc3fed855848b6cc3a728f36c9cd58de
PDF
Publication page3035d550b821c1be3f4fa2a528816d4eab1e9d02087056cdab8f8cb962119649
Manifest33cccd13e0e9941531a2128f309a0fa49c183a6ab809ce8da2b15ca671ff75db

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
SignatureJE1/aglp42bdclIPpPNo5ve1IM9iFs6hWjfxXvf6s80vk9E08VfNlcZzpCCg0M2vZBU03YVBxwTLerfDGr5yBg==
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

2026-09-17T10:24:46.841612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071235
observed 3035d550b821c1be3f4fa2a528816d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.825520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071235/manifest.json
observed 33cccd13e0e9941531a2128f309a0fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.808283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071235/publication.md
observed 7f344c47f6a9bfbd31ed5d844d0cc424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:46.789524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071235/publication.txt
observed 409c20eef3f2b044f74b225138768d3e...
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.