OpenTechnical

OT-2026-000059987

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000059987) never changes.

Identity and time

Publication numberOT-2026-000059987 · never reused
Internal UUID01a0ae89-ec27-79b7-a6a8-f661d7783034 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059987
StatusPUBLIC

Content hashes

Canonical text80a731014276d71eae2d74229d8400dff7debe60a4b5422a3d0d780479ebb060
Markdown399f874dd636edf24b3130f60ae34071392ae062838606727cbc8cbc78d22411
PDF
Publication pagea6f8c63ed66d2cfefb6856e75330cc6f5e87b80ab82bc040daa31554b60e743e
Manifest1668f3935c6909e278ee14d557557c82d724729152fded027fd0b605d6a1a3c1

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
SignaturehVwkeVzRO3Gbk0kCgSLxMUqQ4N2+NH3KAX8tKUy3ELO3U8RzQ+wop+triOQpk4PlflwtEFJYNao9ZnhiRPgxCg==
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

2026-09-17T10:44:46.609539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059987
observed a6f8c63ed66d2cfefb6856e75330cc6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:46.591173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059987/manifest.json
observed 1668f3935c6909e278ee14d557557c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:46.573286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059987/publication.md
observed 399f874dd636edf24b3130f60ae34071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:46.555190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059987/publication.txt
observed 80a731014276d71eae2d74229d8400df...
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.