OpenTechnical

OT-2026-000091814

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091814) never changes.

Identity and time

Publication numberOT-2026-000091814 · never reused
Internal UUID01a0ae9d-43ba-7390-8ede-aa6c8052e74a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091814
StatusPUBLIC

Content hashes

Canonical text2b3f2e7ea5820880a936567dbcf330139ba56ff14a2d3fbb7b3f49be5f318179
Markdownb287e6db395f07c55186598c77758dcb65bddecccb3a7b17875ba4ec825dea4d
PDF
Publication page9533cf12cf34c4fac6676e4af91009d2dd99104559155c3e40d32685c5d5e48e
Manifest6abe19b8ce5958a39908625b421d8f6a0d9c29c766dd37b308ecdbc10f6865aa

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
Signature00PerPCuHgVSOSpJUjUPs3iaqlvUQcnDUFWPTl3BsComn4b6rWGbDqIso/BinpZgW8R49va2qr+d1ljhGz38BA==
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

2026-09-17T09:42:43.568604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091814
observed 9533cf12cf34c4fac6676e4af91009d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:43.551511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091814/manifest.json
observed 6abe19b8ce5958a39908625b421d8f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:43.532325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091814/publication.md
observed b287e6db395f07c55186598c77758dcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:43.515470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091814/publication.txt
observed 2b3f2e7ea5820880a936567dbcf33013...
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.