OpenTechnical

OT-2026-000036399

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000036399) never changes.

Identity and time

Publication numberOT-2026-000036399 · never reused
Internal UUID01a0ae77-01d1-73e6-8bb8-6c7a3ee51436 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036399
StatusPUBLIC

Content hashes

Canonical text92c542411eb616100b5f98c23313ee800dfcb2a6b98d45c6de7a5b5a2f21df06
Markdownc3582244115389b6702b88ca97a38ef49fd4696011060853af7da55b5b85b91e
PDF
Publication page6857b0a2db5ad9da00c576f8e8cba4562e7f108a7bd9cf1c72dbddaf41760dc4
Manifest450dfb9933728820c62e73a73f1173a8bc6502dca53168278bb16fe1a644b1de

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
Signaturelgg2GbAn40DWR+jOvoVxbgBT+oOHVLFGff/KoDCQ9xAysDBMXrv2zpXcLHorPaDzsezVYaB2vLiaFvRn+EvWDg==
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

2026-10-03T12:41:27.950930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036399
observed 6857b0a2db5ad9da00c576f8e8cba456...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T12:41:27.896562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036399/manifest.json
observed 450dfb9933728820c62e73a73f1173a8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T12:41:27.825610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036399/publication.md
observed c3582244115389b6702b88ca97a38ef4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T12:41:27.769226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036399/publication.txt
observed 92c542411eb616100b5f98c23313ee80...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:26:47.208958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036399
observed 6857b0a2db5ad9da00c576f8e8cba456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:47.189202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036399/manifest.json
observed 450dfb9933728820c62e73a73f1173a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:47.172355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036399/publication.md
observed c3582244115389b6702b88ca97a38ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:47.154186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036399/publication.txt
observed 92c542411eb616100b5f98c23313ee80...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent