OpenTechnical

OT-2026-000058985

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000058985) never changes.

Identity and time

Publication numberOT-2026-000058985 · never reused
Internal UUID01a0ae89-47a0-7714-8517-21528c2d0156 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058985
StatusPUBLIC

Content hashes

Canonical text860cbb8202793750bca3c126eeeded9982f875a90373d518b6d8d02251addd69
Markdown78ff82035b7f1482eb8ee76ec445c368614ee4b60d006bb86f6756e2d684558b
PDF
Publication page19de8377c456c09104359ae5f98f7f9dcaadafa92cf0cac631bfa017e4b4e457
Manifest841497579d69dec7ceea582bba6b638a63ac4fda6abe609da2398bfd7563f979

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
SignaturefkzuEAVZRtnUmmpBdQxGSJxQc/j53WEs+JUvJmKYKFIsKo+kIHjXqa1hwamFYrRuPYHxGbpd2HvqX6DVBctpCQ==
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

2026-09-17T10:46:34.163720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058985
observed 19de8377c456c09104359ae5f98f7f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.146916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058985/manifest.json
observed 841497579d69dec7ceea582bba6b638a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.129216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058985/publication.md
observed 78ff82035b7f1482eb8ee76ec445c368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.112555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058985/publication.txt
observed 860cbb8202793750bca3c126eeeded99...
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.