OpenTechnical

OT-2026-000058873

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000058873) never changes.

Identity and time

Publication numberOT-2026-000058873 · never reused
Internal UUID01a0ae89-479f-7eb1-a698-e0b70a80df7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058873
StatusPUBLIC

Content hashes

Canonical text26f0f2ca9c4a6188e4aa8c7daf3df39598ca85d39bb2e680482ae2439191bb73
Markdownd4c857b9f99ed0b41651cbb96a9c2be04fb426209505d3fc9a649dc598da5cb5
PDF
Publication page58a01e0f3d94a01b2fba3eccd2a02d7ebbd8575b991500c62966df682c7cd35e
Manifest8b3811d80f7df2f84b4541d32d675043f832f65bffe97f016aa5d5497a9ededb

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
SignatureF8ARr+t7si+S2ZZgYVLNtlHsDEhxz7bXE6s7aQ2+Eufdq4KzpcZR+xw7yrhfWVPoOrZPO7lpUuwqcoqv7VKUBQ==
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...

Independent retrieval

2026-09-17T10:46:24.963164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058873
observed 58a01e0f3d94a01b2fba3eccd2a02d7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:24.946311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058873/manifest.json
observed 8b3811d80f7df2f84b4541d32d675043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:24.929504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058873/publication.md
observed d4c857b9f99ed0b41651cbb96a9c2be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:24.913314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058873/publication.txt
observed 26f0f2ca9c4a6188e4aa8c7daf3df395...
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.