OpenTechnical

OT-2026-000061002

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000061002) never changes.

Identity and time

Publication numberOT-2026-000061002 · never reused
Internal UUID01a0ae8b-12f3-7524-b489-877e8d2c7553 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061002
StatusPUBLIC

Content hashes

Canonical texta6bc6f333a77eda186db4c6c533eccad35c334614b26fff7cc96a0ede16188cf
Markdown1bfe642ee99d44cd3267247c8ed979f44982f830700c07f9b971234b83cd04a3
PDF
Publication page2cbd9de25a4fc99fd0d6831754e9c268a2b3eb2d25f63a05e1043c904a8603c9
Manifest3b9eac81ad1ff54d67785b11078c982f56b8cbc60d3dd05a4300fc945a697b2c

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
Signaturer9ggeqQLp2HsnN2GeaCAYU1mGBsntkF9kIpPte2Kr+aWE5gtQ//cT5T9zr1B+BrllXWMFJI124m5WvZL4hUGAg==
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

2026-09-17T10:42:17.559848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061002
observed 2cbd9de25a4fc99fd0d6831754e9c268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.541205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061002/manifest.json
observed 3b9eac81ad1ff54d67785b11078c982f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.523582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061002/publication.md
observed 1bfe642ee99d44cd3267247c8ed979f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:17.507185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061002/publication.txt
observed a6bc6f333a77eda186db4c6c533eccad...
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.