OpenTechnical

OT-2026-000006701

Publication integrity record

Vacuum cup gripper, two outlet manifold, pump fed, pressure verified, polyurethane cups, flat form

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-2026-000006701) never changes.

Identity and time

Publication numberOT-2026-000006701 · never reused
Internal UUID01a0a964-6efe-7d31-8468-f52a7ae5981d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:45:26.656735Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006701
StatusPUBLIC

Content hashes

Canonical text4a2b80438df0391e5c0ce6052c727b6655b496cb194835ae9b1f016d39e20328
Markdown9c236f324f93a208281b301d8004cbb2c9d458975504b2d15d2e058d5cb38ae3
PDF
Publication page9d07b00cad03964c25b4311113cbcc969ebec042589e15fd965bc11bb2e2f085
Manifestaafcb5fec351bf7405b579150b5eb76a035733bfb4e7d628c75b672dcaba8242

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
Signaturei9NEAZSXJbBEHB8QXx+Fsve9Fo16lLxKyjHgPFH3yFnqm3+mJmavCU7vS90Pmx+9fhXO7ntPWeCfu7WzDVYyAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:15.711156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006701
observed 9d07b00cad03964c25b4311113cbcc96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:15.696371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006701/manifest.json
observed aafcb5fec351bf7405b579150b5eb76a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:15.682217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006701/publication.md
observed 9c236f324f93a208281b301d8004cbb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:15.668644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006701/publication.txt
observed 4a2b80438df0391e5c0ce6052c727b66...
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.