OpenTechnical

OT-2026-000078872

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000078872) never changes.

Identity and time

Publication numberOT-2026-000078872 · never reused
Internal UUID01a0ae95-ccbd-7315-a4dc-56344981099d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078872
StatusPUBLIC

Content hashes

Canonical text73d511e26400b2ce528f307ad63a0fb8567a4a7789b8cb8539454d20edf719ca
Markdownac1ffe7c03268cdbd59b80ae568bed736f76958f13b1228b072cb62e4f204fb1
PDF
Publication pageca58f4e20210fa0164019467a98026b60247b3a3230a04d2f4266b8413d098ff
Manifest13f8eb262a2c5fdcbdd60e7bbce31a945968f694bb610a562e196f7dbbec5e23

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
Signature2uBDP3IZLxRtDZW7aQn1odkzzct3TyHq15ruDOh/EH2MWckR9roq6T/1IRKbl+nFOwO+x4PFgLIB9yXm3GOTAw==
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

2026-09-17T10:05:40.467773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078872
observed ca58f4e20210fa0164019467a98026b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.448158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078872/manifest.json
observed 13f8eb262a2c5fdcbdd60e7bbce31a94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.429001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078872/publication.md
observed ac1ffe7c03268cdbd59b80ae568bed73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.408380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078872/publication.txt
observed 73d511e26400b2ce528f307ad63a0fb8...
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.