OpenTechnical

OT-2026-000027053

Publication integrity record

Single cup vacuum gripper, common isolation valve, three 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-2026-000027053) never changes.

Identity and time

Publication numberOT-2026-000027053 · never reused
Internal UUID01a0ae72-3453-7e36-a345-58d6aff75a9b · 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-2026-000027053
StatusPUBLIC

Content hashes

Canonical text50d8759f0bc9f79933f624e7d390820d625e2e7bd64be5af9843ede5f01d77ac
Markdownd89d872f6abdf5a960a932b80b0c13fb7940711cb95c16d01ed2e68a79aeb3ad
PDF
Publication pagee9635854fda4be72d5fffcee90d5e2c7e58eb885f8beec64f84164f7daf0ebef
Manifestebda53f6a66cb6e089c53aedf6bca87eb84efed8d1fa5fda9101aacbfaf75974

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
SignaturePsKcfhyceo+mnV/1/F1hratynGMdWIICX/PdtDBJlchfeV0AfYInwg4ZzpTNgwmnHNVh4aNkwXh/F3clbsv7DQ==
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

2026-09-17T11:43:48.670152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027053
observed e9635854fda4be72d5fffcee90d5e2c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.653143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027053/manifest.json
observed ebda53f6a66cb6e089c53aedf6bca87e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.635898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027053/publication.md
observed d89d872f6abdf5a960a932b80b0c13fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.617182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027053/publication.txt
observed 50d8759f0bc9f79933f624e7d390820d...
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.