OpenTechnical

OT-2026-000010714

Publication integrity record

Foam pad vacuum gripper, two stage ejector, vented 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-2026-000010714) never changes.

Identity and time

Publication numberOT-2026-000010714 · never reused
Internal UUID01a0ae6c-0ee8-7009-81cc-3c6c932111ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010714
StatusPUBLIC

Content hashes

Canonical text3efe14bfbfd23396c6231ef6e375cdd2718b53fc4316477fb1188e2cf4b25f0e
Markdown47da53575dc208a2028269028335d68f9ef0e3ef4c78a7fcb35bf87307cf6fae
PDF
Publication page7ff1c2aac0fc254f05ad070a5d989a8d4c7be7f82f9ba4118666b2b26f3cedce
Manifest375ff86dfa8501173dec0efcc8f9fc55915477a27452cfa3704c4eab46fc4dec

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
Signaturew95HlRpyLBqMqw6zL3sSZBNXu8se5rh1mH8JUrLZ6SX/Rw5Gx2ZvJUBslfIa14YHLgQyWsWlK9/uuw6YFaHCBw==
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

2026-09-17T12:14:56.115700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010714
observed 7ff1c2aac0fc254f05ad070a5d989a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:56.097660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010714/manifest.json
observed 375ff86dfa8501173dec0efcc8f9fc55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:56.076777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010714/publication.md
observed 47da53575dc208a2028269028335d68f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:56.058692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010714/publication.txt
observed 3efe14bfbfd23396c6231ef6e375cdd2...
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.