OpenTechnical

OT-2026-000071416

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000071416) never changes.

Identity and time

Publication numberOT-2026-000071416 · never reused
Internal UUID01a0ae91-e0ed-7333-828a-6b5b96cdd0be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071416
StatusPUBLIC

Content hashes

Canonical textf6fa5b8396ba1f14702694609804116dac1d76df2a41439aa8048dc735ae9b64
Markdown2986d40b78db861abd3f4ef3a0c935d76ed27e469dafa6e143dcf6104c1d616c
PDF
Publication page20e2bf8537c2c2aa834858c96ad731845e25c8553198646ac7d39da5ba065e1c
Manifest90247ebfee77bd9420d19814aab46c5a63a6125742809a6c34fb1dd80d283b69

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
Signatureit+budxIMMAQSjmdi/IPKiWMvAgTXQBwugOZhW7fcAPNpjRiCFa27WQtKtKW9OTrTb00BJsb60YdTgMkzoRVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:02.787226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071416
observed 20e2bf8537c2c2aa834858c96ad73184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:02.770771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071416/manifest.json
observed 90247ebfee77bd9420d19814aab46c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:02.755415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071416/publication.md
observed 2986d40b78db861abd3f4ef3a0c935d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:02.739701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071416/publication.txt
observed f6fa5b8396ba1f14702694609804116d...
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.