OpenTechnical

OT-2026-000027132

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000027132) never changes.

Identity and time

Publication numberOT-2026-000027132 · never reused
Internal UUID01a0ae72-3454-7e21-9349-e5c39cfb145c · 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-2026-000027132
StatusPUBLIC

Content hashes

Canonical text774fe913e6454fd32d3c20faa8354262fc018fb7ef3f6bfac26f8ab360ce7d6d
Markdown8d225dcb8486db3f1a44285d70dd198d7a8ec9db6e2a42a44630bac3fc60ceb6
PDF
Publication page743c05f9cf2f87d1e89bbfb04dc0ab122cfd4a7c95fe2ea3daf76d0366f99ad9
Manifest4278759a3bae7b2ec5858de186c1cf12e9c95914a1adb8ee16c71757b4dbe03e

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
SignaturePYmcZXT1SKOJxsuZSEEn1BpgD4vu6JjZS4DroDzRCl1SZjZdDCSTILe/2RAsU/6O/b6O3mhtC1CgPQo5WeldAA==
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

2026-09-17T11:43:54.466937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027132
observed 743c05f9cf2f87d1e89bbfb04dc0ab12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.449968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027132/manifest.json
observed 4278759a3bae7b2ec5858de186c1cf12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.433568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027132/publication.md
observed 8d225dcb8486db3f1a44285d70dd198d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.416985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027132/publication.txt
observed 774fe913e6454fd32d3c20faa8354262...
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.