OpenTechnical

OT-2026-000103489

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pulsed 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-2026-000103489) never changes.

Identity and time

Publication numberOT-2026-000103489 · never reused
Internal UUID01a0aea4-e461-723b-9599-8a771d64d81e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103489
StatusPUBLIC

Content hashes

Canonical text7077cb1c8c28d16b4c12a0198e9a1b3d43da44abbe665290c12f361fcaac9748
Markdown247bf1eec0dba6c8f482e1e6e671cb00edf2ae5e33cefac845658f820b63a80a
PDF
Publication pagea7d4d2df6fb83f7564b1a7292f2c854a9b38fe4e589f6809f8e7d8318e5dcf63
Manifestf830752ac1e6b864792cd8f414a06359246a7aee14ab91fc04ebbbcf92e699ea

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
Signature24GKaQtPZalMAAzRwRK8tXLrRHUnngXNrgvGwrx1KrvloL2Jc7A/wuTUSZujTSsl97/Sz3v8dywjcswd/4qHBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:15.167619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103489
observed a7d4d2df6fb83f7564b1a7292f2c854a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.150189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103489/manifest.json
observed f830752ac1e6b864792cd8f414a06359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.132862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103489/publication.md
observed 247bf1eec0dba6c8f482e1e6e671cb00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.116945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103489/publication.txt
observed 7077cb1c8c28d16b4c12a0198e9a1b3d...
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.