OpenTechnical

OT-2026-000077800

Publication integrity record

Four bellows cup 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-2026-000077800) never changes.

Identity and time

Publication numberOT-2026-000077800 · never reused
Internal UUID01a0ae95-2ed0-7790-aa02-79e1d1f832bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077800
StatusPUBLIC

Content hashes

Canonical textf104c9b12f6ca2a8447c9a6db48451a9feec942c5046b40d55c96a5e9e9378ad
Markdown5cf8a6906f587630880f27b5cdb02b80e9e6cf880b0ed83f75212a1278dc2fa6
PDF
Publication page6bd56bf2d5747ec411bb8279132d1d2e58039022f5dffa7d77fa305703d45ef5
Manifest6f7e4170164dc38cf1f4fec025de268d655e1d19f923ddb2e6e12f85c482fed4

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
SignatureZB7GLFXUi4C11GEQWN567p6M2mBVAxeWCzKKpMmuFNkQc3DrOHqGAoyP3V+Ikf9IDtGEbNfpfFifoHmANlmOCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:57.373955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077800
observed 6bd56bf2d5747ec411bb8279132d1d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:57.338767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077800/manifest.json
observed 6f7e4170164dc38cf1f4fec025de268d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:57.321204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077800/publication.md
observed 5cf8a6906f587630880f27b5cdb02b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:57.283710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077800/publication.txt
observed f104c9b12f6ca2a8447c9a6db48451a9...
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.