OpenTechnical

OT-2026-000058628

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off 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-2026-000058628) never changes.

Identity and time

Publication numberOT-2026-000058628 · never reused
Internal UUID01a0ae88-f39c-77a5-bba8-0247d1cdc294 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058628
StatusPUBLIC

Content hashes

Canonical textc5a4d47e68090c88df549c2ec9d3ae1313d8322634f801b90fc0d719a09bc7b5
Markdown65743d04a59c73a4b9418db8cd99329d1dc021d8be54c7dda37e75a084d23a6a
PDF
Publication page5e2de204528a1ae6f824fab847e67cfbcd26725c317d7abf0e01f5e5cd9347b6
Manifest99919ae0b67a8d9986a0cc7230b9e115e85868ce31ac8acb31e112a51c2bc31c

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
SignatureIBR/0xRHp3VotZ1KXiGgwd64bBGbcBySmNJDBkykRanFT09JSAmnveV+itDZmTYD9ZzITSuW/8DBTXLWMTVlCw==
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

2026-09-17T10:47:08.082631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058628
observed 5e2de204528a1ae6f824fab847e67cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:08.067126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058628/manifest.json
observed 99919ae0b67a8d9986a0cc7230b9e115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:08.051058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058628/publication.md
observed 65743d04a59c73a4b9418db8cd99329d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:08.033640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058628/publication.txt
observed c5a4d47e68090c88df549c2ec9d3ae13...
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.