OpenTechnical

OT-2026-000027170

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, sustained 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-2026-000027170) never changes.

Identity and time

Publication numberOT-2026-000027170 · never reused
Internal UUID01a0ae72-3454-7388-85e6-49a35be329c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027170
StatusPUBLIC

Content hashes

Canonical text2724601304bf3b29c2714a90a3da438e4ad96a13f94bfaeb4f443ccd3058055d
Markdown1e245da34093f5951810612398d8e2178137fe7d0c38f9e5f7fc1c3f03978d1e
PDF
Publication paged0eb8074b966499e119639a83326440f23f28f236d170f8ac849291ded5bb715
Manifest152c62590db5f965bfaeece4f5f83227e5099ff44b248362ecc6dc141b74e0af

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
SignaturepPKbxgnkGX84CZW4RDkEsNCXirAD+/hCWF+3I0muDGGAciUsrhYt+H8WL06JpbXC9sCDTwVFfc1Co1GshWoMDw==
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

2026-09-17T11:43:57.205299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027170
observed d0eb8074b966499e119639a83326440f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:57.188092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027170/manifest.json
observed 152c62590db5f965bfaeece4f5f83227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:57.170162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027170/publication.md
observed 1e245da34093f5951810612398d8e217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:57.150879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027170/publication.txt
observed 2724601304bf3b29c2714a90a3da438e...
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.