OpenTechnical

OT-2026-000095638

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000095638) never changes.

Identity and time

Publication numberOT-2026-000095638 · never reused
Internal UUID01a0ae9f-fac4-7c72-b9ce-f4d733719d85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095638
StatusPUBLIC

Content hashes

Canonical textc5a134a9b337762f62c0a97bfe7768ee7172f053df10d24ea4520643d6a8fc64
Markdown1383b53ebcf55f0ed82c5a1aff552bde7c010fd97f8b9a45be312e4581ea0980
PDF
Publication pageed3e72db845f984322e8d67c8b8048d660af4764fc810b520dd47ff6e0156182
Manifestc015e32e2e1a0f646b59b57d65b08d83869806fa7d55efbe8f0068377c951930

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
SignatureO7kI5SSCZMM7noPXIPNgeWmIFQF3/9vaTMt3ocukU6T7DJsPSfw056OP9fDBf8Db22MdxbxwMC6c4KSWtk3jAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:06.156187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095638
observed ed3e72db845f984322e8d67c8b8048d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.137600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095638/manifest.json
observed c015e32e2e1a0f646b59b57d65b08d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.120646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095638/publication.md
observed 1383b53ebcf55f0ed82c5a1aff552bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.102818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095638/publication.txt
observed c5a134a9b337762f62c0a97bfe7768ee...
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.