OpenTechnical

OT-2026-000027155

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000027155) never changes.

Identity and time

Publication numberOT-2026-000027155 · never reused
Internal UUID01a0ae72-3454-7a9e-9014-c7bc4d42f55a · 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-2026-000027155
StatusPUBLIC

Content hashes

Canonical text0ecb8d37c7ec8c7e1482d2f82daf8ceec2e7afac91de5ec92080a36124d07222
Markdown7ea2fff41ffe58f547a86ea0c58a554692bee9622a70135ba92cea52e8779182
PDF
Publication page5cecf5a580fb07c581edc98e7eda3b5446455ee6cf481b3a7612033c55f23b21
Manifest98aba0a7928bc3e59dc227b3f18dd9defcd8442a866f7fc3ffcfd5ae4884c20b

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
SignaturevPkt35xcz8/JK3rSFFsCm4yiTgG8hANYOvSskIF6C1tx31erQqz8VNXXTrrCBkXhXcqwPU0OBc4fFV/ImijzAA==
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

2026-09-17T11:43:56.091607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027155
observed 5cecf5a580fb07c581edc98e7eda3b54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.075649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027155/manifest.json
observed 98aba0a7928bc3e59dc227b3f18dd9de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.059583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027155/publication.md
observed 7ea2fff41ffe58f547a86ea0c58a5546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:56.041580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027155/publication.txt
observed 0ecb8d37c7ec8c7e1482d2f82daf8cee...
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.