OpenTechnical

OT-2026-000026397

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000026397) never changes.

Identity and time

Publication numberOT-2026-000026397 · never reused
Internal UUID01a0ae71-f4a7-7d3f-a60a-a723f791ea2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026397
StatusPUBLIC

Content hashes

Canonical text0b04049d6fbe350daee0f235d6d082b7458cbd51a12ee8b92ce04ef529d072cc
Markdown84d0b4c2974f904a96a88ee4f14473e5a91c4257da37e01c4058eee9aa2197aa
PDF
Publication pageb73ab4636dbbc61854b91a1f75b20e4d0edd8a5b1640c963b64f528455ac9ad2
Manifest27c851a8ba20a5b02412afde0a395b08740acb5bc2a6565659a15e8820b494db

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
SignatureVuk7Fk5tVBgVBLnmTUEl+aE55vgMS1EgeZChgcB871te7vfS1RXNX/AouoCKBgyIklmCBG0ci6ybdhDi1YMKBg==
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

2026-09-17T11:44:22.872285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026397
observed b73ab4636dbbc61854b91a1f75b20e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.856115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026397/manifest.json
observed 27c851a8ba20a5b02412afde0a395b08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.835223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026397/publication.md
observed 84d0b4c2974f904a96a88ee4f14473e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.816456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026397/publication.txt
observed 0b04049d6fbe350daee0f235d6d082b7...
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.