OpenTechnical

OT-2026-000026857

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000026857) never changes.

Identity and time

Publication numberOT-2026-000026857 · never reused
Internal UUID01a0ae72-3452-79f2-9f83-f5219ef0fdb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026857
StatusPUBLIC

Content hashes

Canonical text98fecd6f4be3d797968c969d238081f1fc5fd1c6dd0c7e4e36853d5c10383cb5
Markdownb5739b64e1d788fb4a52a01a77d06f0cbbe4ef58f139af2d277708e2c8cb730c
PDF
Publication page6275edd450b573d4f02c6cd3ab75652ddfa40fca859885352430689fa93abbb3
Manifeste900ef98200899b5923d7866bb7c7029cae21bd1c55c92dce4ca9b8a7b71cdfd

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
SignatureOql9Cx2+BAaRuByQ1b0iuaLUiqf6uGITn6+Gg0TCbphGs9gd38knVTysadp3IH+o7BmE4sNeJdSn7/+bTOzCAQ==
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

2026-09-17T11:43:27.319533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026857
observed 6275edd450b573d4f02c6cd3ab75652d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.303338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026857/manifest.json
observed e900ef98200899b5923d7866bb7c7029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.286558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026857/publication.md
observed b5739b64e1d788fb4a52a01a77d06f0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.269570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026857/publication.txt
observed 98fecd6f4be3d797968c969d238081f1...
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.