OpenTechnical

OT-2026-000023534

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000023534) never changes.

Identity and time

Publication numberOT-2026-000023534 · never reused
Internal UUID01a0ae70-7269-7af7-b827-eb6e93f183e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023534
StatusPUBLIC

Content hashes

Canonical text483df1d9b6ae59714c6db019c36cb4e0eaf57d2c03bd91473826f257e365b4ea
Markdownba53952231467107c5e99c30e1c6b490d4102e372dba7d4f5e5aed53d398ae27
PDF
Publication page72270f8b5f94e68c01bb8c81f6681397e74d38995843277313a74973927d6b78
Manifestf0074d69ea844a11cdf0b1efc272417427e8d2a5ebaac66c138d4b9c2992aa2b

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
SignatureEngFrDVucuGcLGS3aWB9PLjwUFU/+CUXAG1yPSzxkpW+veum0CG6OooJdjmBIJR4BNMAAwC4D4mCOv8V4f+0CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:46.784945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023534
observed 72270f8b5f94e68c01bb8c81f6681397...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.768664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023534/manifest.json
observed f0074d69ea844a11cdf0b1efc2724174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.750506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023534/publication.md
observed ba53952231467107c5e99c30e1c6b490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.731033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023534/publication.txt
observed 483df1d9b6ae59714c6db019c36cb4e0...
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.