OpenTechnical

OT-2026-000061653

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000061653) never changes.

Identity and time

Publication numberOT-2026-000061653 · never reused
Internal UUID01a0ae8b-b8aa-7d13-a4be-2832d08c5b5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061653
StatusPUBLIC

Content hashes

Canonical text2f4505e145339cf5f7e267987dd59e02603007c349872ac450e75c684d6e54da
Markdown02ad45e2bfe08dcceb76c4cb4ce11f73153e0f09f2a69408b46229f9049e2cbe
PDF
Publication page9df2c39cda8972ab4695eae07aba745f4c163f15feb61a923db12fa64b18f782
Manifest4df78861964b49158b9fc493fab764dab189985c1a323b0b037f913cff238448

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
SignatureH6Y5Xpdn4gMOCj0y3LmbLF4EFFVSLTOlYxEd6gYBRZnxDmv7xCAVxZ/Tl5/B1Qv2TlJT0d1V28BQE8dceKE3Ag==
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

2026-09-17T10:40:11.792436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061653
observed 9df2c39cda8972ab4695eae07aba745f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:11.770247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061653/manifest.json
observed 4df78861964b49158b9fc493fab764da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:11.698817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061653/publication.md
observed 02ad45e2bfe08dcceb76c4cb4ce11f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:11.589541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061653/publication.txt
observed 2f4505e145339cf5f7e267987dd59e02...
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.