OpenTechnical

OT-2026-000045091

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000045091) never changes.

Identity and time

Publication numberOT-2026-000045091 · never reused
Internal UUID01a0ae7c-f768-71c5-9df9-54a1486e9801 · 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-2026-000045091
StatusPUBLIC

Content hashes

Canonical text06950eec2d07479722c7ff69d59f7bb991a02afbef2bdf75e49f7f8f67bf2354
Markdown4ce1689dc05395fe37807c7087f9114f2820ac69da4f87b35cb4d49e6729c2d8
PDF
Publication pagedd12f18824c6add1747077fb463538f179d14ca325e5d5f7b5403601a652e512
Manifest9fb125a9340ab35b2c2d0c46af918c3afbfac6ef9cbb90293c00640d5f8ec40f

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
Signature3ZC04imi8U/iuSI0r7l1Ph2NLFpb+4s/QnY1LNZH3RrDp10U3C33KmKe2f2JLLMZpFZWtpb+Cdk7xSNSZKz5Aw==
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

2026-09-17T11:10:08.065044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045091
observed dd12f18824c6add1747077fb463538f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:08.045549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045091/manifest.json
observed 9fb125a9340ab35b2c2d0c46af918c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:08.027915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045091/publication.md
observed 4ce1689dc05395fe37807c7087f9114f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:08.009271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045091/publication.txt
observed 06950eec2d07479722c7ff69d59f7bb9...
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.