OpenTechnical

OT-2026-000094937

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000094937) never changes.

Identity and time

Publication numberOT-2026-000094937 · never reused
Internal UUID01a0ae9f-2def-76ff-89b9-7d1373f700f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094937
StatusPUBLIC

Content hashes

Canonical text773d83b2303bee871b39bb0e9a0a7a6adbc5bf93b43b2f318d7756288b30ce42
Markdown1c9f1248c8ac8b93edb1631fbb28d4ac8560e10c71b92b24a168debf35a5774a
PDF
Publication page1c2c0c4561d4ce8fc2e5cd21e939874b3176ed38c2b96b7afc61b32c24cab3b4
Manifestc3ab06e2445006d067f2f7d5cf3e619c396a5692917c50c9d8f2bae55254dd4f

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
SignatureihEPwWx15h1bA4N7rHdPUaqCVyjzYH/fOlqtS7hHMt7IbxyMxLFwbwbsBREZwpMKrDw49w+z0HAXAx/rTyHsDg==
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

2026-09-17T09:37:28.179664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094937
observed 1c2c0c4561d4ce8fc2e5cd21e939874b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:28.161542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094937/manifest.json
observed c3ab06e2445006d067f2f7d5cf3e619c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:28.144271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094937/publication.md
observed 1c9f1248c8ac8b93edb1631fbb28d4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:28.127514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094937/publication.txt
observed 773d83b2303bee871b39bb0e9a0a7a6a...
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.