OpenTechnical

OT-2026-000057947

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000057947) never changes.

Identity and time

Publication numberOT-2026-000057947 · never reused
Internal UUID01a0ae88-6ed9-7541-868b-fadb522e5510 · 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-2026-000057947
StatusPUBLIC

Content hashes

Canonical texte1bf58c737aacb7385b3f7237a5dfb6e7bbfeb0099db4006713adac1e1eaec3a
Markdownfbe7657dd5a94de7c926c2c9a026d273df0dc18441a582090b2440793e7352d5
PDF
Publication paged6f93d430a22da97798e200599195f44401b65e986bc5cbc9fd4f5a3153f7259
Manifest57ce05b79f77628da20ab31f3b96b6cb087e3890f55a0e3c1ae08000c3f5e007

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
SignatureHXBSMhP7FqD4oEAIOO+7kgifABeF7qeaLIAHC4GEyBxyA32OCkTi8nwz4GbSSMcp4uepp+rKaKbdDiLY4qN6Bg==
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

2026-09-17T10:47:33.847881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057947
observed d6f93d430a22da97798e200599195f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.829049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057947/manifest.json
observed 57ce05b79f77628da20ab31f3b96b6cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.810131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057947/publication.md
observed fbe7657dd5a94de7c926c2c9a026d273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.791314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057947/publication.txt
observed e1bf58c737aacb7385b3f7237a5dfb6e...
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.