OpenTechnical

OT-2026-000057678

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented before set-down

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-2026-000057678) never changes.

Identity and time

Publication numberOT-2026-000057678 · never reused
Internal UUID01a0ae88-2695-72b9-82da-0d2ec3907c56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057678
StatusPUBLIC

Content hashes

Canonical texteab9e2fda91aa6c74bbcc46ff3073617bab3245f5b2d6411a77c0adf08959713
Markdownc6b5b65109bcceeeeffccc03d21054f9d348a9bb7bb8db0bd3ab270e16c03c0e
PDF
Publication page7dab5747770767a5a0b5e8a6c8cf17dedab3f90432ed12732737aed2bc3a72d4
Manifestf778c8a76dfc263fc0865cc74d29ed5113d8eca1b969d4af2050972eacfedbc3

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
SignaturerCRl/QOmTuKpNLMDOz4Z4XcLWCWHHjckM2QMAu8+IjwLMnQ5Wldyeg3aTDRno9yZmm+NFp7eBKnVhb7hOBejAQ==
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

2026-09-17T10:48:20.145942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057678
observed 7dab5747770767a5a0b5e8a6c8cf17de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.126683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057678/manifest.json
observed f778c8a76dfc263fc0865cc74d29ed51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.107766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057678/publication.md
observed c6b5b65109bcceeeeffccc03d21054f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:20.088893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057678/publication.txt
observed eab9e2fda91aa6c74bbcc46ff3073617...
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.