OpenTechnical

OT-2026-000052955

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000052955) never changes.

Identity and time

Publication numberOT-2026-000052955 · never reused
Internal UUID01a0ae84-a430-7900-beb3-cde4e16e4f83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052955
StatusPUBLIC

Content hashes

Canonical text3e14b201b3728d43598f12982f6b5c9bdc9b701c8b5909aebe658b0af9adbb63
Markdown75b688070a0d65deef365d96f187dc72ebca45fb11661ff929bce5868ef9c133
PDF
Publication page7645a2a8551806599edeecee0c9bf74dcacd69dedc6ae5fbbfb9b1198d42969a
Manifestc2151c71cc233c7e5e1b87fe2304634b59970a3703861656328e842fba232c60

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
SignaturemwcW35RHOOW+8D0PXBi0pc1OZWwH6rNrF3cQOiBJKM5OHMc4tUjb8xgVQr6p09grOmBtBNh5J4yfMgCYQgRHAA==
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

2026-09-17T10:56:38.348276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052955
observed 7645a2a8551806599edeecee0c9bf74d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:38.330560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052955/manifest.json
observed c2151c71cc233c7e5e1b87fe2304634b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:38.312795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052955/publication.md
observed 75b688070a0d65deef365d96f187dc72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:38.295464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052955/publication.txt
observed 3e14b201b3728d43598f12982f6b5c9b...
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.