OpenTechnical

OT-2026-000027951

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000027951) never changes.

Identity and time

Publication numberOT-2026-000027951 · never reused
Internal UUID01a0ae72-a51e-79b7-b0b6-92230fc57530 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027951
StatusPUBLIC

Content hashes

Canonical text229e33c49d921e7d47f29c2d525b0d61fea24611690aa67ebea64e04846727f3
Markdownef6a32dcd4c47e4d901cb03e5951ad7180ee8819c6f7e0b76086ff2425c751f4
PDF
Publication page23d4c3fe03de943965fc557a1345051b8143d993e71a42e2a97fae99a545a04e
Manifest9eeac98a6bff5b5f08518a50d9050aa44080964536a20239b05cefacece2f901

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
Signature5r6CV3LwDPstdeQXd+Ecq+NC0/zUapIX+lp+BiCTtXK5w3lN1/6Hjmc6OSUNWUE79SA2FCbX5RGuwykRV1rzCA==
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

2026-09-17T11:42:08.185616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027951
observed 23d4c3fe03de943965fc557a1345051b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.167502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027951/manifest.json
observed 9eeac98a6bff5b5f08518a50d9050aa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.149781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027951/publication.md
observed ef6a32dcd4c47e4d901cb03e5951ad71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:08.131086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027951/publication.txt
observed 229e33c49d921e7d47f29c2d525b0d61...
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.