OpenTechnical

OT-2026-000053939

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000053939) never changes.

Identity and time

Publication numberOT-2026-000053939 · never reused
Internal UUID01a0ae85-b3a6-7b98-bcd3-0552ae786fe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053939
StatusPUBLIC

Content hashes

Canonical text56c28a85d40f394936d01bb22c38aecfd19f6ce78795b0196e0d44bb62e77e15
Markdown1e5235d2c9836ef6069124263fd8fdb7259f83f91ebf811e6afc2a82a7ecdcc1
PDF
Publication page5d5c75ec9994d32640bbb37bb1896391a683e32eb833de6c58ff9817b075bc51
Manifestb0ad0d05481f7b30758334f15e4c36a2118b49895c369f902231bd2406094a91

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
SignatureSYt3gbI+mWTslM01+3yhLlWcsT7K9T4TjksMj5P14700Nct+oxlcfxSNXZA7WSwVUIEOz1+cD1ldbsddmNETDQ==
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

2026-09-17T10:54:11.184586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053939
observed 5d5c75ec9994d32640bbb37bb1896391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.164900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053939/manifest.json
observed b0ad0d05481f7b30758334f15e4c36a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.147752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053939/publication.md
observed 1e5235d2c9836ef6069124263fd8fdb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.130874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053939/publication.txt
observed 56c28a85d40f394936d01bb22c38aecf...
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.