OpenTechnical

OT-2026-000054323

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed 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-2026-000054323) never changes.

Identity and time

Publication numberOT-2026-000054323 · never reused
Internal UUID01a0ae85-b3a9-7545-86d1-a0e455829ca8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054323
StatusPUBLIC

Content hashes

Canonical text6013b2db4f03e1690f11c5e11521c1833988104db41eaa9a71155d5813196a7f
Markdown31a67bfbd306e995fc890f7534ae6bec11a3826ef431d8f12a532aa129ef1dfe
PDF
Publication pagef845ef80e9e0be34ce68215e3895435a32a226c7be907eddd0df1cdcb3105a67
Manifest83b76f5c2f7fb18b5fe45dc52e7b7ce40d6cc42e60edfd22c805607c71c9cbdc

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
Signaturef4OUtyIMVSZXPed9EHs+idtZPZxwHuqDvNjoJtFVaOvH2kF2FCB1bzkDFOmnHQ3VWx/NBlgpiRlcs2oYBY+MCw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:49.916077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054323
observed f845ef80e9e0be34ce68215e3895435a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.899001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054323/manifest.json
observed 83b76f5c2f7fb18b5fe45dc52e7b7ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.881204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054323/publication.md
observed 31a67bfbd306e995fc890f7534ae6bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.864047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054323/publication.txt
observed 6013b2db4f03e1690f11c5e11521c183...
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.