OpenTechnical

OT-2026-000058271

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000058271) never changes.

Identity and time

Publication numberOT-2026-000058271 · never reused
Internal UUID01a0ae88-f398-764d-8959-9673f074cd18 · 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-2026-000058271
StatusPUBLIC

Content hashes

Canonical textecf026c5a7b3e8c66a2b45eb1942b6f87aed49330fb93b14ae9446f67a90beaf
Markdownfa858a5d5123f2fda051d5b7e9e83c1349e3419271868954f08355bd3a2ddbf8
PDF
Publication pagecdfe9371ee4c750a309815c9da6945aa92dbe01e81c8ab0b8c2ae317ea89928d
Manifestaa9571444899e2370279419ae7cd8b0640cbbe4ccf73c8abd4b0824e12fdfd00

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
SignatureALwKyozyECrAOH1vqeIRZE0KALPhyKwxWSQKvedGg8xKxVVJN06pwrEtdUHOlSJWkBmsS0ityrjJaSpsOe5DCA==
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

2026-09-17T10:46:39.431741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058271
observed cdfe9371ee4c750a309815c9da6945aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:39.412088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058271/manifest.json
observed aa9571444899e2370279419ae7cd8b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:39.396474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058271/publication.md
observed fa858a5d5123f2fda051d5b7e9e83c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:39.378969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058271/publication.txt
observed ecf026c5a7b3e8c66a2b45eb1942b6f8...
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.