OpenTechnical

OT-2026-000091373

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000091373) never changes.

Identity and time

Publication numberOT-2026-000091373 · never reused
Internal UUID01a0ae9c-f16d-7838-bce8-94e287fda82c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091373
StatusPUBLIC

Content hashes

Canonical text4c1ccab22bd2df61db34671f8fab43ec8cddbcd27428238555114bb58269e97c
Markdown0a113d0acf9cbc7981cb25dff115a91d906deb91d715e76d6a6274cbf2b451d6
PDF
Publication page67ca6b26dcb1c3b46c430ac3b39a78bc4306ecd3752e4b3c7e342cb11a5c16c3
Manifestc5347dad322deb9fadd9aefe535e216ffee8ff8035b61c6e968f944743a4a6b5

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
SignatureucbWpP9VMK2ULfvb1Rh33Tr/EV8NcgxRrlUfQ27zu/Z3twE/ocG6HddCrZvHovg4chSeqo1B1Ea+4GEzow18DQ==
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

2026-09-17T09:43:35.557716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091373
observed 67ca6b26dcb1c3b46c430ac3b39a78bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.540821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091373/manifest.json
observed c5347dad322deb9fadd9aefe535e216f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.523959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091373/publication.md
observed 0a113d0acf9cbc7981cb25dff115a91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.506904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091373/publication.txt
observed 4c1ccab22bd2df61db34671f8fab43ec...
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.