OpenTechnical

OT-2026-000034940

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000034940) never changes.

Identity and time

Publication numberOT-2026-000034940 · never reused
Internal UUID01a0ae76-1ed3-7834-8e1b-b526d6efd204 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034940
StatusPUBLIC

Content hashes

Canonical text821df0293aeeb961fe421765d47fe5fc77fca473bdc4b86e720a5bf37dab24e0
Markdowne264b47f8495d793c03e8e09a2eb69d404e13bd72758107bd6ece8159c70fbe2
PDF
Publication page87197515f55950e11a15ee5d323c3d81365c43cb62f817aa010cf3f52b0ebbe8
Manifestd56f455038f12864470a33846f0f961e090dd4c2806284732e6e450d2678e6e1

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
SignatureJKILAOM1GfzzLZPIzaJT/ZuMGEB+9MuO0xQ40td/nRih07x0bXnA/O+iBHxH3Xz0YLFh8Ha/FOOl+2Dk0NEvCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:44.012367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034940
observed 87197515f55950e11a15ee5d323c3d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.996439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034940/manifest.json
observed d56f455038f12864470a33846f0f961e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.977043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034940/publication.md
observed e264b47f8495d793c03e8e09a2eb69d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.958290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034940/publication.txt
observed 821df0293aeeb961fe421765d47fe5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:58.727697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034940
observed 87197515f55950e11a15ee5d323c3d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:58.710388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034940/manifest.json
observed d56f455038f12864470a33846f0f961e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:58.691987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034940/publication.md
observed e264b47f8495d793c03e8e09a2eb69d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:58.673167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034940/publication.txt
observed 821df0293aeeb961fe421765d47fe5fc...
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.