OpenTechnical

OT-2026-000058267

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-2026-000058267) never changes.

Identity and time

Publication numberOT-2026-000058267 · never reused
Internal UUID01a0ae88-f397-7158-941a-9d3b684daf0c · 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-2026-000058267
StatusPUBLIC

Content hashes

Canonical text4e2042d8a43eb46be50a0a79259d50acf834508722625b101c629547181a464c
Markdown33d7ca4fdfbdcb3e608ca2106fce587a05f8642bc600affb5e05cbde97c0a68c
PDF
Publication pageb532fa6ef6a72f2e2ace952e92f2f0847a3671c03c712b6c79e0d61a6772de0e
Manifestdf1aae79b428f2500f2df942c9c942b07d43b2577def303658eec8dab6e2f5c2

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
SignaturepIuEM1gZzBS9CWklBEFwEneTM34mahJ9MEViQlcE1y6zRPnax64AECIaK1F2azDzKw98jAB5O2+EKXh+qM/bDg==
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

2026-09-17T10:46:39.143131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058267
observed b532fa6ef6a72f2e2ace952e92f2f084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:39.126908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058267/manifest.json
observed df1aae79b428f2500f2df942c9c942b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:39.109051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058267/publication.md
observed 33d7ca4fdfbdcb3e608ca2106fce587a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:39.089421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058267/publication.txt
observed 4e2042d8a43eb46be50a0a79259d50ac...
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.