OpenTechnical

OT-2026-000079894

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000079894) never changes.

Identity and time

Publication numberOT-2026-000079894 · never reused
Internal UUID01a0ae96-4376-7f47-8fe0-752779f1bb81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079894
StatusPUBLIC

Content hashes

Canonical text65bb97c47a933320ef8c11a65f8c4e7373cd86ed332cd924aa491757e41af9bd
Markdown106c140bb74fd1d410a49582a4139f2f7e6217e5d2855bc2b8dc261bf29c8310
PDF
Publication pagef27cd8bf0a64590652de19ac820b45f0c12e8e4648e4d7054e0360a6ffec5514
Manifest58ebe0eb2409215e209ab5c31df085197573a3063108064664c1b33483c97508

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
SignatureFR9wo5l/g/wXcom/HjdzWYR/XV5d/XIwaO5XyupMy17xkkdzrAWVttI+24KUcI4w9/7XC2HN4rrE64ihuJe7DA==
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

2026-09-17T10:03:47.326583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079894
observed f27cd8bf0a64590652de19ac820b45f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.308948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079894/manifest.json
observed 58ebe0eb2409215e209ab5c31df08519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.290626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079894/publication.md
observed 106c140bb74fd1d410a49582a4139f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:47.271858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079894/publication.txt
observed 65bb97c47a933320ef8c11a65f8c4e73...
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.