OpenTechnical

OT-2026-000057637

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000057637) never changes.

Identity and time

Publication numberOT-2026-000057637 · never reused
Internal UUID01a0ae88-2694-76cd-ab30-5916633bb62c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057637
StatusPUBLIC

Content hashes

Canonical text8b3b70c663d3366d4c0a88d4bd239f15392cd31fdd214068a66d0b80011003aa
Markdownf1bf97d46fbfc84376df2f2c2a87543bef9514bf977c6fff8041548af53ecbb2
PDF
Publication page1cdbe753ab1aacd1ee1315b5a2132a379bb1b0e1cf7ef46cf08b8848afb6f146
Manifest2e74858352f9f1f6e015e428e618ef9b2deaf1dd726e1688fd8e0aafca5fa470

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
SignatureM8N7IgxEtMaGzUCy3MTxkoUY/+zjPgDVvv4rWGB6brMvWkCzv5cisFn1bYXXUaNm8fKjgzzDJNhy2TTsy9k4Ag==
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...

Independent retrieval

2026-09-17T10:48:12.011691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057637
observed 1cdbe753ab1aacd1ee1315b5a2132a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.991967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057637/manifest.json
observed 2e74858352f9f1f6e015e428e618ef9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.974068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057637/publication.md
observed f1bf97d46fbfc84376df2f2c2a87543b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.951180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057637/publication.txt
observed 8b3b70c663d3366d4c0a88d4bd239f15...
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.