OpenTechnical

OT-2026-000078487

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078487) never changes.

Identity and time

Publication numberOT-2026-000078487 · never reused
Internal UUID01a0ae95-7c28-7bc2-a7cd-12e6da387882 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078487
StatusPUBLIC

Content hashes

Canonical text4bfc652a0bd57805f7631b5dc62acf52c3161a146a9c47ca1088d57795513477
Markdown7ff68ca9a088c8400f15a2afa1b624dbb7557bba9d88a9d63a9486bc5e276cf0
PDF
Publication pagec32c7defacc9968a95d71227e59499074f36195d07e8a67dff116d2d3fbae8bd
Manifest6e5b54d600a3a0cb5685f3bc02c8d7b0bc781c76e6d9328ea27815749f637463

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
SignatureZ8WGbUDgr6w4PnxMhKZ3g20jocv7+dc3Unh3NOjLfYM0PIdmJR87lIpDLMyVeafElYKjAvzawYzz1IDDoZZ7AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:29.864286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078487
observed c32c7defacc9968a95d71227e5949907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.844142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078487/manifest.json
observed 6e5b54d600a3a0cb5685f3bc02c8d7b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.825582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078487/publication.md
observed 7ff68ca9a088c8400f15a2afa1b624db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.806668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078487/publication.txt
observed 4bfc652a0bd57805f7631b5dc62acf52...
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.