OpenTechnical

OT-2026-000087297

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, sustained 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-2026-000087297) never changes.

Identity and time

Publication numberOT-2026-000087297 · never reused
Internal UUID01a0ae9a-cd4e-70e1-8e26-9815adc24c8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087297
StatusPUBLIC

Content hashes

Canonical texte7843197968371fd010188c7c22c96e4b40cc88c28edbea544686ccbd2ad5892
Markdown8c184fb040307a5da1623935e46fc445a3bbf7b70e7c7c2e676e6b3b5aee1f2b
PDF
Publication page154bc343103cff6bb1b353d71c5b409c85930d0480c6b1be1d114264884e53bd
Manifestc53aaf82158e990af65725c5d1f40d92ee500ee91747f58894a3e258feb19104

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
Signaturebj9mMKnfs1PHuCTwF1j3eu6EeycwaBTMsprKCapAD4Y6UgVkz+TSvfyJVBGZhkpwCKpTfrThHz1UesgtLpssAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:27.291086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087297
observed 154bc343103cff6bb1b353d71c5b409c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.289583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087297
observed 154bc343103cff6bb1b353d71c5b409c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.270887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087297/manifest.json
observed c53aaf82158e990af65725c5d1f40d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.270598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087297/manifest.json
observed c53aaf82158e990af65725c5d1f40d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.251025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087297/publication.md
observed 8c184fb040307a5da1623935e46fc445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.247802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087297/publication.md
observed 8c184fb040307a5da1623935e46fc445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.227276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087297/publication.txt
observed e7843197968371fd010188c7c22c96e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.226824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087297/publication.txt
observed e7843197968371fd010188c7c22c96e4...
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.