OpenTechnical

OT-2026-000014031

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000014031) never changes.

Identity and time

Publication numberOT-2026-000014031 · never reused
Internal UUID01a0ae6d-8deb-7bf5-9d5e-bdfeed358073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014031
StatusPUBLIC

Content hashes

Canonical textf1d2fa93a3adcc2d6a141e97d8670bc4e95dea0b0bd87acbf4b572d5f560b220
Markdown4c85beb0d22b589d0f127bac86f0158ba474d3fbd17df84933aef4d43725d143
PDF
Publication pagebab339c7401c7082a0cbd5e652f2d51369938909d5643f76ea198367714fe445
Manifestff2db15424e5cd3e038be993f57ed89805cde3e15141f66077784a9fe6ea9734

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
SignatureaHgV69gIhxLsLr1gvpbtLNVP15FvlMfETsUkzDOipcq6Pke/i2Yb5w/jMqjEKUY3Lle+jPrYhqVxtR5xRUSNDg==
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

2026-09-17T12:09:15.707997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014031
observed bab339c7401c7082a0cbd5e652f2d513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.689387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014031/manifest.json
observed ff2db15424e5cd3e038be993f57ed898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.672853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014031/publication.md
observed 4c85beb0d22b589d0f127bac86f0158b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.654283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014031/publication.txt
observed f1d2fa93a3adcc2d6a141e97d8670bc4...
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.