OpenTechnical

OT-2026-000048063

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000048063) never changes.

Identity and time

Publication numberOT-2026-000048063 · never reused
Internal UUID01a0ae7f-c423-7afe-87b1-b04c51568ebe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048063
StatusPUBLIC

Content hashes

Canonical text88b5a7b0cdc1542736aed5202be641780ff9394691d693a14aec83d4f45146c2
Markdown468ce8b47adff404639c3148aea1c725f8e864130ba996a72bc68f41b4c61f9a
PDF
Publication pageddd50eac6ffff9679349af512edba79b639f33143ed24a69dc2da9c7d1086c9c
Manifest0e3f71821c200b3b1a0b15721ef5d0dcd5a2eb04304c6b6f81f79d135411de1a

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
SignatureDOAWnv3hFeUSx1QOqD4ELTBhan8OB/B4YKnLw3k6kW4SwaPOKACNxvpQUQCRR2lz/K2II5Aub/ooVj+LFv8NBQ==
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

2026-09-17T11:06:04.496884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048063
observed ddd50eac6ffff9679349af512edba79b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:04.479007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048063/manifest.json
observed 0e3f71821c200b3b1a0b15721ef5d0dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:04.461095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048063/publication.md
observed 468ce8b47adff404639c3148aea1c725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:04.442948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048063/publication.txt
observed 88b5a7b0cdc1542736aed5202be64178...
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.