OpenTechnical

OT-2026-000055044

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000055044) never changes.

Identity and time

Publication numberOT-2026-000055044 · never reused
Internal UUID01a0ae86-5e81-7e99-a2c5-19b020d96977 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055044
StatusPUBLIC

Content hashes

Canonical text14893a8de066f25daee7b88483b717bb968a29cb3c5cd8ab764a253cd7d47877
Markdown2f003e8ffdd18e23b44ea2f369164ce5c8ed145048dcff94f948cdf5ffe55c2c
PDF
Publication page85ae2d95b6b2d8111c07fc3af6c8d455725bef1d29cc19c210c6282643fe3c5d
Manifestf1d6ddd0381cdd5f0727e14b2614b471ea17003d573a94580a407497f30063bb

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
SignatureONrptPa2eMjcnkEqraQT2xnTt1HY/06UQ4atHnAen+Nr/zCPMzorpN5hiGv1XqzHYHlaVuOrddBa+ZBrTnPRBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:11.323000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055044
observed 85ae2d95b6b2d8111c07fc3af6c8d455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:11.305820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055044/manifest.json
observed f1d6ddd0381cdd5f0727e14b2614b471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:11.283431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055044/publication.md
observed 2f003e8ffdd18e23b44ea2f369164ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:11.263707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055044/publication.txt
observed 14893a8de066f25daee7b88483b717bb...
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.