OpenTechnical

OT-2026-000053715

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000053715) never changes.

Identity and time

Publication numberOT-2026-000053715 · never reused
Internal UUID01a0ae85-735c-75e7-a62a-bfed9361c532 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053715
StatusPUBLIC

Content hashes

Canonical textb792d36824744f6a580d1d632f2410b702162d9778c2e7a9a299f623bd137639
Markdownfd8e1283d9e28665b708e4a1eaeca2863db865ffce355e120f1f8d2f54ac937e
PDF
Publication page88ef065be510843f992d44df7999d11483593031b4e207bd7a2e27fe562b5f5f
Manifesteae9adf4f53ffef9b8096e1d4fc5be68fd7effcd6014d26c09ec80800c1cca84

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
SignatureXuy+W6m0m9edZVeUY/Nwu3NHXvpV+Id4la/S5PRrp0ks4hox2+hUls+nsEV96HcVeyQ8HwukRqse1ILnLYD4Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:16.048031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053715
observed 88ef065be510843f992d44df7999d114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:16.027274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053715/manifest.json
observed eae9adf4f53ffef9b8096e1d4fc5be68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:16.004898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053715/publication.md
observed fd8e1283d9e28665b708e4a1eaeca286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:15.982981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053715/publication.txt
observed b792d36824744f6a580d1d632f2410b7...
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.