OpenTechnical

OT-2026-000048767

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single 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-2026-000048767) never changes.

Identity and time

Publication numberOT-2026-000048767 · never reused
Internal UUID01a0ae80-c32c-706f-ba6f-83f256876d4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048767
StatusPUBLIC

Content hashes

Canonical text304a5ba6bddce8bdb0676c1741d6be6d283aa0900b9ef7e8b5e58ca4b101ea59
Markdown5d98b0f20dbf2eec0200a911830aa6e7d1daf01318092871c4ae7b01130d251c
PDF
Publication pagefd20f330683ec401312f4291a776f6a92d93160557dace93b01ff4e95f6ed424
Manifestd5394d73f4c0215b2c7493cb44eb42b669d3fe283dba5b6aeb26773cd2cc8d0f

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
Signature4FUnywwLod9jar6apdQ/0FeBbFM4GEKOzt24s+crQX3f/zUC02v4JQBn2qZP7+JS933XXymJxwKH3jCUgq8nAg==
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

2026-09-17T11:04:27.127584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048767
observed fd20f330683ec401312f4291a776f6a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:27.095687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048767/manifest.json
observed d5394d73f4c0215b2c7493cb44eb42b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:27.066580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048767/publication.md
observed 5d98b0f20dbf2eec0200a911830aa6e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:27.039920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048767/publication.txt
observed 304a5ba6bddce8bdb0676c1741d6be6d...
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.