OpenTechnical

OT-2026-000027033

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000027033) never changes.

Identity and time

Publication numberOT-2026-000027033 · never reused
Internal UUID01a0ae72-3453-74a1-87cb-5952f0bdb2ee · 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-2026-000027033
StatusPUBLIC

Content hashes

Canonical textfed7366d4bd4394887c2176369c92c3efa226c8ec2cc6798536e42b25edc2bcd
Markdownb4e164f475f668ac2d5ddc0a974a392e384b088be0331bf9c6f9ebd2ca3faea8
PDF
Publication pagec4abe285755571a537268b1a8bf38ec691ed057780b0a30c5c062ff79c063160
Manifest80019a49cd2875d300ee0f5fa25aaddbd95c3defbfcb67b8f7958d699745b2aa

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
SignatureT7eZOj0PkfVJsoN/eP7yGxMWFS6F/xCpwpKmPP2m6FdViZSHxRwXH0VIy65Yws0pD9H66u7UItqeyltzfg5iDA==
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

2026-09-17T11:43:47.185372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027033
observed c4abe285755571a537268b1a8bf38ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.169410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027033/manifest.json
observed 80019a49cd2875d300ee0f5fa25aaddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.152458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027033/publication.md
observed b4e164f475f668ac2d5ddc0a974a392e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:47.134575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027033/publication.txt
observed fed7366d4bd4394887c2176369c92c3e...
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.