OpenTechnical

OT-2026-000052675

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000052675) never changes.

Identity and time

Publication numberOT-2026-000052675 · never reused
Internal UUID01a0ae84-573c-7160-90ab-fa57ddc18982 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052675
StatusPUBLIC

Content hashes

Canonical text740be6ec5073eaf63ba0cf829bc975d4c9a44d12fd28569232684cd3255e3e04
Markdownf5640897a603d3797fd98886dc4c82fe652957d2bacf2d1d14fb4fea25b05de3
PDF
Publication pageeb866bf860c471157cfa9536289c8303761df40b558016e8e25f9684025a22e2
Manifest97c4f5a86a89f1bed07225a082a44ab9690c2298b64e50e57e627ed3f1542ae5

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
SignatureFksx3qUKJ7iees0OklehqqMOyigT1LDXv064FOJk2ftKyAALjuBpFZOzanV+WMpNsYw5+BWwI63W02NiJqUHDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:22.172409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052675
observed eb866bf860c471157cfa9536289c8303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:22.151627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052675/manifest.json
observed 97c4f5a86a89f1bed07225a082a44ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:22.132274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052675/publication.md
observed f5640897a603d3797fd98886dc4c82fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:22.113440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052675/publication.txt
observed 740be6ec5073eaf63ba0cf829bc975d4...
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.