OpenTechnical

OT-2026-000044841

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044841) never changes.

Identity and time

Publication numberOT-2026-000044841 · never reused
Internal UUID01a0ae7c-911b-7a7f-a861-7e9b98af7acc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044841
StatusPUBLIC

Content hashes

Canonical text51b7e05f8cf79143590ac74d4d246cf4035644d4dd4ab71e38f4b0cc210a5f25
Markdown81ed1b35fea44b38d30589d12749cd1c070f758cc3eb3bb63194bda0020c316b
PDF
Publication page72157a195e2b7d3729fe228279aacc0a94e97236052810548d876233820ce7b0
Manifest6b4212d888ec0260b44b59ad2d8ec7a146d1079d1e6d70885e6599cc42562a17

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
SignatureBQR2HIbCKCfaooDbhDOdIA/0w6/pRXwCkTb15tvPHfdSkt9Us9VP9BNCxDJOFlS+5ml65EByATknSTMW8AWHDw==
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

2026-09-17T11:11:29.009267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044841
observed 72157a195e2b7d3729fe228279aacc0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.989664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044841/manifest.json
observed 6b4212d888ec0260b44b59ad2d8ec7a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.971112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044841/publication.md
observed 81ed1b35fea44b38d30589d12749cd1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.952492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044841/publication.txt
observed 51b7e05f8cf79143590ac74d4d246cf4...
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.