OpenTechnical

OT-2026-000049048

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000049048) never changes.

Identity and time

Publication numberOT-2026-000049048 · never reused
Internal UUID01a0ae81-134d-7871-bd20-d8e81ad25c03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049048
StatusPUBLIC

Content hashes

Canonical textfca38f8088a9e418ceaa2f3dd23cc6d86dfca0a3680e47d4f7095378978df867
Markdown2158ef9b090ea9a04cd12b3fb912e98c17214fda4872bdb54a9fd1de1811b552
PDF
Publication page1d0e885ab221292e59cfff43599f54bb94b7b7170e4591870d5d52ead2813f75
Manifestf172751e5c683b528a1badcd3ddc61bbde09d3809f5a4d0a58a467f47d110614

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
SignatureJX4z2nDXsO7ps3LENqk7csywCCicGi0jeNpJh5Vc5Udqx5s5o1YgQUi5cim1FhLTXVH1l4vEIydzO6p2zf3yDw==
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

2026-09-17T11:03:16.575198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049048
observed 1d0e885ab221292e59cfff43599f54bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.558554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049048/manifest.json
observed f172751e5c683b528a1badcd3ddc61bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.540903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049048/publication.md
observed 2158ef9b090ea9a04cd12b3fb912e98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.523390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049048/publication.txt
observed fca38f8088a9e418ceaa2f3dd23cc6d8...
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.