OpenTechnical

OT-2026-000053707

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000053707) never changes.

Identity and time

Publication numberOT-2026-000053707 · never reused
Internal UUID01a0ae85-735c-76ad-9649-442e29012fc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053707
StatusPUBLIC

Content hashes

Canonical text94d8481500b1a8aa58b0801f9346ca95c9c02de0f4eaad39d8ed0460ffe33550
Markdown5e1d6531f7026da22ebadc8bfec39582c1212d19ba488d82c9d9de063fdc426d
PDF
Publication pagea81fe703d2e7a76159745a5ad857a1cd8641d1186c0055337c934e101eedb233
Manifest1ca0f61c2a3b9657615cc3587c78744770d2a4e13865e235761d78f4728d03c3

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
SignatureIrnBYPuhLvZLzXDapDLIdS+dAi7IuNZJh43XROc/ZBjv8Fm4WMY4/L1wsR2/Rg+CcK7peVlDhMoPWFPMYHj0BQ==
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

2026-09-17T08:40:06.795201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053707
observed a81fe703d2e7a76159745a5ad857a1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:06.774504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053707/manifest.json
observed 1ca0f61c2a3b9657615cc3587c787447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:06.756153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053707/publication.md
observed 5e1d6531f7026da22ebadc8bfec39582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:06.730933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053707/publication.txt
observed 94d8481500b1a8aa58b0801f9346ca95...
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.