OpenTechnical

OT-2026-000045331

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000045331) never changes.

Identity and time

Publication numberOT-2026-000045331 · never reused
Internal UUID01a0ae7c-f76b-7e91-a56c-23dc48b3caa9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045331
StatusPUBLIC

Content hashes

Canonical textcead116e2e3f5cd31872881ff950bc1a32d126e3be5de13ba95ddb2ca64c576d
Markdowndcee5138e252eb3b9057bfd6108554214be44a8beac82cc282ed1762d7ae00e8
PDF
Publication page308f2b69464e4a89bb01435c8c3bf5cda7699f6b219458ebb07076603f84185b
Manifestf37d9a0fb5c42a1a87fb6ca6acadf22495e0cd1d0dea17e066cc69138ed78766

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
SignatureD288a8bJQwI9hRFV0G1hnQkAQ27lZpfi3qjeKQ62aN8eHLF7eyGJ6rKzi2pOmaYpebzW7jUU65YGjFsnr7PVDA==
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

2026-09-17T11:10:35.241366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045331
observed 308f2b69464e4a89bb01435c8c3bf5cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.221630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045331/manifest.json
observed f37d9a0fb5c42a1a87fb6ca6acadf224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.201742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045331/publication.md
observed dcee5138e252eb3b9057bfd610855421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:35.182452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045331/publication.txt
observed cead116e2e3f5cd31872881ff950bc1a...
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.