OpenTechnical

OT-2026-000029053

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000029053) never changes.

Identity and time

Publication numberOT-2026-000029053 · never reused
Internal UUID01a0ae73-2a9f-7346-8167-35a4eea7831a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029053
StatusPUBLIC

Content hashes

Canonical text648aac7aa10ea9d1396022c75da0319d57b0aedae56198e31396f6a6870026b0
Markdown93c13a590ab7698cb572fb4c66bbe65ea3e9cbbd7dbdb5fadf1c04b74dccf764
PDF
Publication page2208590f66aaff25ecc2569e50a1b9c89fe51e46332df4abcb1b5bbcf4b14c89
Manifest64b90198c7ceb37afb402f446348d9bb62d109ecf4f4874b515c7373da428aa0

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
SignaturewjGNutjoD7JZCG0OsaijbGEVS+Hsyr6eQ0y95RvemANpWp3neQgSrlkcKlDtHCfjrQYJHN+mak3+Ktczf4RQAg==
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

2026-09-17T08:20:42.187590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029053
observed 2208590f66aaff25ecc2569e50a1b9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:42.047343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029053/manifest.json
observed 64b90198c7ceb37afb402f446348d9bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:42.030036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029053/publication.md
observed 93c13a590ab7698cb572fb4c66bbe65e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:42.012215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029053/publication.txt
observed 648aac7aa10ea9d1396022c75da0319d...
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.