OpenTechnical

OT-2026-000057764

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000057764) never changes.

Identity and time

Publication numberOT-2026-000057764 · never reused
Internal UUID01a0ae88-6ed7-7427-aad4-de043b4bb425 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057764
StatusPUBLIC

Content hashes

Canonical text6673f4e07a206d1ebea52cd05adf0c3a7e33dbd8b0affe186131e6c2f3ea1a2d
Markdownabe6bd4effd6dd1a4f2506786a0a8a282846b2855328871a267307719295ec36
PDF
Publication page877badae286796a6f9851fb5093dec5a44d2c1291b4e028fdc5f79648b3d84da
Manifestebf087482a21db3281a2d63072321a2eae899f3224f9b2557f2d002d51ddf39c

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
SignatureYlCscIcSWtDEkkT0wyfRgfGhPoMUUC24ko3ufsAkSR0v8gSUdhMX2bgB6zoWh4bcvFhA5zTTlWj6XCjtANHyAA==
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

2026-09-17T10:47:18.659654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057764
observed 877badae286796a6f9851fb5093dec5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.639937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057764/manifest.json
observed ebf087482a21db3281a2d63072321a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.621500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057764/publication.md
observed abe6bd4effd6dd1a4f2506786a0a8a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.602580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057764/publication.txt
observed 6673f4e07a206d1ebea52cd05adf0c3a...
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.