OpenTechnical

OT-2026-000073800

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000073800) never changes.

Identity and time

Publication numberOT-2026-000073800 · never reused
Internal UUID01a0ae93-2b8d-70a6-a579-987192e5af58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073800
StatusPUBLIC

Content hashes

Canonical textcf251f2f0125ae409aa3209b1266620423e923a4b003f6f94e34948291265154
Markdownd0716cbef19577957b9a775d3003e585e425566addf5d4f4a732ccbae32cba6b
PDF
Publication pagedd1cead9d86d2d40cc4c6aada0aab4d100b4cea17270695eb22fa97d34c054b7
Manifest55ba84f5667658b607f8131030af69cc0672aa4d8923b5820a2dc398ed2f4558

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
SignatureBADwxsllIqwyOOiVXDbetcBCBxA+ZnT1wZjsdRvaOLDvQcinEcDRUYel0pwJjEIV+MVMTd0J/aD7B5tujwzECQ==
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

2026-09-17T10:19:55.035550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073800
observed dd1cead9d86d2d40cc4c6aada0aab4d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.015269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073800/manifest.json
observed 55ba84f5667658b607f8131030af69cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.996668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073800/publication.md
observed d0716cbef19577957b9a775d3003e585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.975363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073800/publication.txt
observed cf251f2f0125ae409aa3209b12666204...
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.