OpenTechnical

OT-2026-000048787

Publication integrity record

Two cup 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-2026-000048787) never changes.

Identity and time

Publication numberOT-2026-000048787 · never reused
Internal UUID01a0ae80-c32c-73de-bfd2-ed6374b80046 · 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-2026-000048787
StatusPUBLIC

Content hashes

Canonical text7a26144fbddd1ec5df697aa00b750bad32f4e1c1556ffe31aae7c8fefffa1ee0
Markdown2cb86460f4c205f9f94b1acb8b8ea278a4071c8743091b98f2b5c211f251d089
PDF
Publication page36b57b0b3bf01c7ee1c8be2f5e02508583e5f0af1164e42d3141f4c6948a46e3
Manifest62e588e6be1ca7bbefd5a8a19d907f5f945a461b3b2479d05b97f9d30bbc5ef2

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
SignatureJw1gYzHJDA35G3HAcFEZFty1gu01cp5zxjkqrULOaY1j2dcR/87iMWUleZiQT7DGkLoNHokS56vjhV2NFwGkDQ==
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

2026-09-17T11:04:29.478901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048787
observed 36b57b0b3bf01c7ee1c8be2f5e025085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:29.451449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048787/manifest.json
observed 62e588e6be1ca7bbefd5a8a19d907f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:29.421870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048787/publication.md
observed 2cb86460f4c205f9f94b1acb8b8ea278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:29.392359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048787/publication.txt
observed 7a26144fbddd1ec5df697aa00b750bad...
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.