OpenTechnical

OT-2026-000020362

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000020362) never changes.

Identity and time

Publication numberOT-2026-000020362 · never reused
Internal UUID01a0ae6f-437b-7cf5-9bb3-630c1de138d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020362
StatusPUBLIC

Content hashes

Canonical textef91dc834530f436dd5bcc78710eb437624e4f1f27b7622d10943a2f1fbbc035
Markdownabdc3d8a58724c51565afeaf758c93e89118d3e462f9340ae6dee0a212de64e2
PDF
Publication page37cb241060fafd45685205b4c5643a3a263c23f62ffa73c7be6f38dc22003d61
Manifest6c2c6ddad857825b5dc10ef5a5e98e5f6dead96a707a91957f8f44b17921068f

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
SignatureqgVuBsflWuL01AA/mUdmq5JtcABOxkALxVU+FHGBnLX1KMPVqFy+a6EbdEk2JYKWNTxJxNV9MT1m/jEckDnDDg==
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

2026-10-19T08:41:02.469966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020362
observed 37cb241060fafd45685205b4c5643a3a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:02.394165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020362/manifest.json
observed 6c2c6ddad857825b5dc10ef5a5e98e5f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:02.292937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020362/publication.md
observed abdc3d8a58724c51565afeaf758c93e8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:02.172119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020362/publication.txt
observed ef91dc834530f436dd5bcc78710eb437...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T20:41:36.273622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020362
observed 37cb241060fafd45685205b4c5643a3a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T20:41:36.223183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020362/manifest.json
observed 6c2c6ddad857825b5dc10ef5a5e98e5f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T20:41:36.175339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020362/publication.md
observed abdc3d8a58724c51565afeaf758c93e8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T20:41:36.075014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020362/publication.txt
observed ef91dc834530f436dd5bcc78710eb437...
fetched by grabo-systems from 34.44.131.203, 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